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Sundown Audio Amplifiers

Sundown Audio is an American car audio manufacturer specializing in high-output subwoofers and amplifiers built for serious bass enthusiasts and SPL competitors. Founded by Jacob Fuller in 2006, the company assembles products in North Carolina, USA, with meticulous attention to detail and rigorous quality testing. Their product lines—including the legendary SA, X, and Nightshade series—have earned a devoted following in the car audio community for delivering extreme power handling and deep, clean bass. Sundown was among the first to introduce high-excursion subwoofers and enhanced cooling systems, innovations that have become industry standards.

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BPS-6.5 6.5" Pro Sound Co-Axial Powersports Speaker

Frequency Range 100hz - 18khz 4 Ohm 100w RMS 94dB Sensitivity [1W/1M] Cutout Diameter: 5.82" Mounting Depth: 3.75"

BPS-8 8" Pro Sound Co-Axial Powersports Speaker

Frequency Range 100hz - 18khz 4 Ohm 150w RMS 94dB Sensitivity [1W/1M] Cutout Diameter: 7.32" Mounting Depth: 4.25"

Horizon HZ-100.4 4-Channel Amplifier

Sundown Audio HZ-100.4 | Horizon Series 4-Channel Full-Range Amplifier (100W x4) More Power. More Control. Better Sound. Step up your system with the HZ-100.4, Sundown’s high-output 4-channel amplifier that delivers 100 watts RMS per channel at 4 ohms — or 170W x4 at 2 ohms. Whether you’re powering component speakers, pro audio drivers, or full-range coaxials, the HZ-100.4 gives you headroom to push your gear harder, with less strain and more sonic clarity. This amplifier was made for audio lovers who want control. With fully adjustable HPF and LPF crossovers, you can run active or passive setups, bridge channels, or mix configurations. It’s built with high-level inputs, DC Sense, and 4-way protection, making it just as at home in factory integration as it is in custom builds. If you're ready to take your highs and mids from average to outstanding, the HZ-100.4 gives you the tools and the power to make it happen — all in one clean, efficient package. Specs: RMS Power @ 14.4V • 4 Ohm: 100W x4 • 2 Ohm: 170W x4 High Pass Filter (CH1-4): 27Hz – 250Hz Low Pass Filter (CH1-4): 27Hz – 250Hz Input Sensitivity: Up to 6V Signal-to-Noise Ratio: 95dB Fuse Rating: 60A Dimensions: 8.63" x 4.63" x 2.2" Weight: 2.93 lbs (1.33 kg)

Horizon HZ-1000 1000 Watt RMS Monoblock Amplifier

Sundown Audio HZ-1000 | Horizon Series 1000W RMS Monoblock Amplifier Powerful. Precise. Built to Perform. The HZ-1000 is everything a mid-tier mono amplifier should be — refined, reliable, and ready to deliver 1000 watts of clean RMS power at 1 ohm. Whether you're upgrading your daily driver, adding a second amp to your system, or running a single sub with serious authority, this Horizon Series amp brings the power you need without the bulk or complexity you don’t. Optimized for real-world installs, the HZ-1000 includes high-level input compatibility, DC Sense for factory integration, and a variable subsonic and low pass filter to keep your low-end crisp and controlled. Its 4-way protection circuit monitors heat, voltage, shorts, and offset, so you can push your system harder without stressing your equipment. The included remote bass knob makes real-time adjustment simple — dial it up when the bass drops, or fine-tune your system from the front seat. From sealed to ported enclosures, factory to custom setups, the HZ-1000 gives you versatility and strength in a compact Class D platform that’s easy to install and built to last. It’s the definition of clean power, simplified. Specs: RMS Power @ 14.4V • 1 Ohm: 1000W • 2 Ohm: 700W • 4 Ohm: 350W Low Pass Filter : 50Hz – 250Hz Subsonic Filter : 10Hz – 50Hz Input Sensitivity : 6V Max Signal-to-Noise Ratio : 95dB Fuse Rating : 100A Dimensions : 9.75" x 4.63" x 2.2" Weight : 3.42 lbs (1.55 kg) Wired Remote Included

Horizon HZ-1500 1500 Watt RMS Monoblock Amplifier

Sundown Audio HZ-1500 | Horizon Series 1500W RMS Monoblock Amplifier More Bass. More Control. All Sundown. Designed for bigger builds and subwoofers that demand more, the HZ-1500 delivers up to 1,500 watts RMS at 1 ohm with low distortion and high efficiency. It’s the top dog of the Horizon Series mono lineup — made to push larger woofers or multiple drivers with clean, relentless power that stays cool and sounds tight. Like its smaller siblings, the HZ-1500 features a robust 4-way protection system, DC Sense, and high-level inputs, giving you full flexibility for installs in both factory and aftermarket environments. Tuning is simple and precise thanks to the onboard low pass filter, subsonic filter, and included wired remote bass knob. You’ll have full control of your low end, whether you’re cruising or competing. For builders and bass lovers who want one amp that hits hard, runs cool, and doesn’t take up half the trunk, the HZ-1500 is a no-brainer. It’s built the Sundown way — to deliver clean power, take abuse, and leave competitors in the dust. Specs: RMS Power @ 14.4V • 1 Ohm: 1500W • 2 Ohm: 800W • 4 Ohm: 450W Low Pass Filter : 50Hz – 250Hz Subsonic Filter : 10Hz – 50Hz Input Sensitivity : 6V Max Signal-to-Noise Ratio : 95dB Fuse Rating : 140A Dimensions : 11.25" x 4.63" x 2.2" Weight : 4.23 lbs (1.92 kg) Remote Bass Control Included

Horizon HZ-600 600 Watt RMS Monoblock Amplifier

Sundown Audio HZ-600 | Horizon Series 600W RMS Monoblock Amplifier Compact. Capable. Confident. If you're looking for reliable bass power in a tight package, the HZ-600 delivers. Designed for efficiency and durability, this Class D monoblock amplifier pushes up to 600 watts RMS at 1 ohm, giving you clean, controlled output ideal for daily setups, budget builds, or adding a dedicated sub channel to your system. It's a true performer, offering more power than its size suggests — and doing it with Sundown's trusted engineering. The HZ-600 features high-level input capability and DC Sense turn-on, making it perfect for factory integration or aftermarket installs where space is tight, but quality still matters. A built-in 12dB/octave low pass filter and subsonic filter give you precision control over your frequency range, while the 4-way protection circuit keeps your system safe from voltage issues, short circuits, thermal overload, and DC offset. And with the included wired remote, you get easy control of bass levels from the driver's seat. Whether you're pushing a single sub or upgrading a factory system with a small footprint, the HZ-600 is built to deliver serious performance with no wasted power, no added fluff — just pure bass, clean and simple. Specs: RMS Power @ 14.4V • 1 Ohm: 600W • 2 Ohm: 450W • 4 Ohm: 250W Low Pass Filter : 50Hz – 250Hz (12dB/Oct) Subsonic Filter : 10Hz – 50Hz (12dB/Oct) Input Sensitivity : Up to 6V Signal-to-Noise Ratio : 95dB Operating Voltage : 10.5V – 16.5V Fuse Rating : 60A Dimensions (LxWxH) : 9" x 4.63" x 2.2" Weight : 2.78 lbs (1.26 kg) Wired Remote Bass Knob Included

Horizon HZ-80.4 4-Channel Amplifier

Sundown Audio HZ-80.4 | Horizon Series 4-Channel Full-Range Amplifier (80W x4) Versatility Meets Clarity. The HZ-80.4 is your go-to solution for adding clean, controlled power across your mids and highs. With 80 watts RMS x 4 channels at 4 ohms, it’s the perfect amp for speaker upgrades, active component setups, or small subwoofers that need headroom without the distortion. This amp runs cool and clean — and with its compact chassis, it fits just about anywhere. The Horizon Series amps don’t cut corners. This model includes adjustable high and low pass filters on all four channels, a full-range passthrough option, and high-level input capability to simplify factory integration. Run it passive or active — bridge it for bigger loads — the HZ-80.4 gives you maximum control and Sundown-grade output from a surprisingly small form factor. Whether you’re upgrading a factory system or building something fresh, the HZ-80.4 gives your sound system the foundation it needs to shine. Clean mids, crisp highs, tight control. Specs: RMS Power @ 14.4V • 4 Ohm: 80W x4 • 2 Ohm: 130W x4 High Pass Filter (CH1-4): 27Hz – 250Hz Low Pass Filter (CH1-4): 27Hz – 250Hz Input Sensitivity: Up to 6V Signal-to-Noise Ratio: 95dB Fuse Rating: 50A Dimensions: 7.4" x 4.63" x 2.2" Weight: 2.54 lbs (1.15 kg)

Horizon HZ-900.5 900 Watt 5-Channel Amplifier

Sundown Audio HZ-900.5 | Horizon Series 5-Channel Amplifier (900W RMS) Everything You Need. Nothing You Don’t. The HZ-900.5 is Sundown’s all-in-one solution for full-system amplification. With four channels dedicated to mids and highs and a separate subwoofer channel, this 5-channel amp offers up to 150W x4 @ 2 ohms on CH1-4, and 500W @ 2 ohms on CH5. It’s perfect for anyone who wants a single, clean install that powers an entire soundstage — from vocals to the deepest bass. Advanced crossovers let you independently dial in your full-range and subwoofer sections. You get high-pass filters for CH1-4, and both low pass and subsonic filters on CH5. Add in DC Sense, high-level input capability, and Sundown's bulletproof 4-way protection, and you’ve got one of the most versatile and powerful compact amps in its class. Ideal for daily drivers, stealth builds, or any vehicle where space matters but sound can't be compromised, the HZ-900.5 is as smart as it is strong. Specs: RMS Power @ 14.4V • CH1-4: 100W x4 @ 4Ω / 150W x4 @ 2Ω • CH5 (Sub): 200W @ 4Ω / 500W @ 2Ω High Pass Filter (CH1-4): 27Hz – 250Hz Low Pass Filter (CH5): 50Hz – 250Hz Subsonic Filter (CH5): 10Hz – 50Hz Input Sensitivity: 6V Max Signal-to-Noise Ratio: 95dB Fuse Rating: 100A Dimensions: 11.25" x 4.63" x 2.2" Weight: 4.12 lbs (1.87 kg)

Powersports SAM-600D 600w Mono-Block Marine Micro Class D Amplifier SAMv.2

600 @ 1 ohm 415 @ 2 ohms 230 @ 4 ohms Variable 12dB low pass filter: 50Hz-250Hz Variable 18dB bass boost Power and protection indicators included Thermal, voltage, and speaker short protection circuitry Waterproof (IP67 rated) Sealed wire/signal bulkheads Gasketed audio control cover RCA line out Sundown SAMv.2 amplifiers are ideal for your boat, bike or UTV. Whether you play in the mud, sand, dirt or asphalt, this micro amplifier performs in any weather, and with all the power and acoustic control you need to bang out the bass! SAM amps are IP67 rated, certified to withstand full submersion when getting wild off-road, or when its time to clean up when the fun is done. Ready to go big? With the included line output, it’s easy to add additional amplifiers to the system. Time to ride!

PSSB-8000 Amplified Bluetooth Powersports Soundbar Speaker

Integrated 300-watt amplifier 6 x 3” full range marine-grade poly cone speakers 2 x 1.25” SD mylar tweeters IPX67 rated (Submersible) Heavy duty extruded aluminum watertight housing LED-backlit control panel Visual notifications Audible power on/off notifications Built in dsp processor w/distortion limiter Bluetooth input Aux input & output (3.5mm) USB thumb drive input Waterproof wire loom connectors Universal l-bracket mounting system included Universal top or bottom mount clamp style brackets The 300-watt Sundown Audio PSSB-8000 soundbar blasts your music through six powerful marine-grade speakers and two crisp mylar tweeters. The rugged, IPX67-rated waterproof design and heavy-duty aluminum housing ensures it can withstand the toughest conditions. Mud, sand or water won’t stop the music! Stay connected and in control with the LED-backlit control panel, Bluetooth input, and multiple connectivity options, including 3.5mm AUX and USB inputs. Whether you're hitting the dunes, navigating rough trails, or cruising the waterways, the PSSB lets you focus on the thrill of the ride. It’s more than a soundbar; it’s your ticket to a lot more fun!

SAEv4-100.4 4-Channel Amplifier

250 x 2 @ 4 ohms RMS (Bridged) 125 x 4 @ 2 ohm RMS 100 x 4 @ 4 ohms RMS Hi-fidelity Class A/B design Variable 12dB low & high pass filters: 40Hz-5kHz Power and protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry The SAEv4 is engineered with high-fidelity Class A/B multi-channel architecture, providing an ideal balance between performance and affordability. Leveraging the latest half-bridge technology, these amplifiers deliver clean, powerful audio signals in a compact form factor. Featuring an all-new chassis and heatsink design with 33% more aluminum, this SAEv4 keeps your system cool even during intense listening sessions. The amp is packed with a variable subsonic, high pass and low pass filters, plus a 4-way protection circuit (thermal, voltage, speaker short, and DC offset). With an input sensitivity of 6V max and RMS power output of 125W x 4 at 2 ohms and 100W x 4 at 4 ohms, the SAEv4-100.4 is designed to drive your car audio system with precision and clarity. The variable crossover slope (LPF/HPF) and a high signal-to-noise ratio of 92dB further enhance audio quality, with an exceptionally low noise floor. Product Manual Specifications Input sensitivity: 6V max Signal/noise ratio : 92DB Operation voltage : DC 10.5V - 15.5V power input Dimensions : 14.88” L x 6.3” W x 2.75” H

SAEv4-1000.1D Mono Amplifier

1,000 x 1 @ 1 ohms RMS 600 x 1 @ 2 ohms RMS 375 x 1 @ 4 ohms RMS Class D amplifier 12dB variable low pass filter: 40Hz - 180Hz 12dB subsonic filter: 10Hz – 40Hz Phase shift control 0-180 degrees Power, clipping & protection indicators included Heavy aluminum heat sink for improved thermal control Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control with clipping indicator The Sundown Audio SAEv4-1000D is a simple, powerful upgrade for any car audio enthusiast seeking superior sound quality and reliability. This high-performance half-bridge class D amplifier ensures powerful, detailed output. The variable phase, lowpass and subsonic filters provide the control you need - for the sound you love. Featuring robust protection circuitry against thermal, voltage, speaker short, and DC-offset issues, along with power and protection indicators, this amplifier guarantees long-lasting durability, while the heavy aluminum heat sink enhances thermal control, preventing overheating during extended use. The included wired remote with clipping indicator provides real-time monitoring and output control! Product Manual Specifications Input Sensitivity 6V Max Dual MOS-FET PWM Power Supply Signal / Noise Ratio : 92DB Operation Voltage : DC 10.5V - 15.5V Power Input Recommended Fuse : 100 Amps Dimensions : 12.48” L x 6.3” W x 2.75” H

SAEv4-150.4 4-Channel Amplifier

450 x 2 @ 4 ohms RMS (Bridged) 225 x 4 @ 2 ohm RMS 150 x 4 @ 4 ohms RMS Hi-fidelity Class A/B design Variable 12dB low & high pass filters: 40Hz-5kHz Power and protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry The SAEv4 is engineered with high-fidelity Class A/B multi-channel architecture, providing an ideal balance between performance and affordability. Leveraging the latest half-bridge technology, these amplifiers deliver clean, powerful audio signals in a compact form factor. Featuring an all-new chassis and heatsink design with 33% more aluminum, this SAEv4 keeps your system cool even during intense listening sessions. The amp is packed with a variable subsonic, high pass and low pass filters, plus a 4-way protection circuit (thermal, voltage, speaker short, and DC offset). The variable crossover slope (LPF/HPF) and a high signal-to-noise ratio of 92dB further enhance audio quality, with an exceptionally low noise floor. With an input sensitivity of 6 volts and up to 900 watts of output, this amp is ready, willing, and more than able to drive your car audio system with a new level of precision and clarity. Product Manual Specifications Input sensitivity: 6V max Signal/noise ratio : 92DB Operation voltage : DC 10.5V - 15.5V power input Dimensions : 17.95” L x 6.3” W x 2.75” H

SAEv4-1500.1D Amplifier

1,500 x 1 @ 1 ohms RMS 800 x 1 @ 2 ohms RMS 450 x 1 @ 4 ohms RMS Class D amplifier 12dB variable low pass filter: 40Hz - 180Hz 12dB subsonic filter: 10Hz – 40Hz Phase shift control 0-180 degrees Power, clipping & protection indicators included Heavy aluminum heat sink for improved thermal control Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control with clipping indicator The Sundown Audio SAEv4-1500D amp more than just big bass - it's a powerful upgrade for any car audio enthusiast wanting superior sound quality and reliability. This high-performance half-bridge class D amplifier ensures powerful, detailed output. The variable phase, lowpass and subsonic filters provide the control you need - for the sound you love. Featuring robust protection circuitry against thermal, voltage, speaker short, and DC-offset issues, along with power and protection indicators, this amplifier guarantees long-lasting durability, while the heavy aluminum heat sink enhances thermal control, preventing overheating during extended use. The included wired remote with clipping indicator provides real-time monitoring and output control! Product Manual Specifications Input Sensitivity 6V Max Dual MOS-FET PWM Power Supply Signal / Noise Ratio : 92DB Operation Voltage : DC 10.5V - 15.5V Power Input Recommended Fuse : 140 Amps Dimensions : 12.48” L x 6.3” W x 2.75” H

SAEv4-200.4 4-Channel Amplifier

600 x 2 @ 4 ohms RMS (Bridged) 300 x 4 @ 2 ohm RMS 200 x 4 @ 4 ohms RMS Hi-fidelity Class A/B design Variable 12dB low & high pass filters: 40Hz-5kHz Power and protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control with clipping indicator The SAEv4 is engineered with high-fidelity Class A/B multi-channel architecture, providing an ideal balance between performance and affordability. Leveraging the latest half-bridge technology, these amplifiers deliver clean, powerful audio signals in a compact form factor.Featuring an all-new chassis and heatsink design with 33% more aluminum, this SAEv4 keeps your system cool even during intense listening sessions. The amp is packed with a variable subsonic, high pass and low pass filters, plus a 4-way protection circuit (thermal, voltage, speaker short, and DC offset). The variable crossover slope (LPF/HPF) and a high signal-to-noise ratio of 92dB further enhance audio quality, with an exceptionally low noise floor. Whether you create a powerful three-channel system, a dual mono monster, or a four channel system full of fidelity, this amp is ready, willing, and more than able to drive your car audio system with a new level of precision and clarity. Product Manual Specifications Input Sensitivity 6V Max Signal / Noise Ratio : 92DB Operation Voltage : DC 10.5V - 15.5V Power Input Dimensions : 19.29” L x 6.3” W x 2.75” H

SAEv4-2000.1D Amplifier

2,000 x 1 @ 1 ohms RMS 1,300 x 1 @ 2 ohms RMS 875 x 1 @ 4 ohms RMS Class D amplifier 12dB variable low pass filter: 40Hz - 180Hz 12dB subsonic filter: 10Hz – 40Hz Phase shift control 0-180 degrees Power, clipping & protection indicators included Heavy aluminum heat sink for improved thermal control Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control with clipping indicator Getting big clean bass to your subs is what Sundown is all about. SAEv4 high-performance half-bridge class D amplifiers deliver powerful, detailed power. The variable phase, lowpass and subsonic filters provide the control you need - for the sound you love. Featuring robust protection circuitry against thermal, voltage, speaker short, and DC-offset issues, along with power and protection indicators, this amplifier guarantees long-lasting durability, while the heavy aluminum heat sink enhances thermal control, preventing overheating during extended use. The included wired remote with clipping indicator provides real-time monitoring and output control! Product Manual Specifications Input Sensitivity 6V Max Dual MOS-FET PWM Power Supply Signal / Noise Ratio : 92DB Operation Voltage : DC 10.5V - 15.5V Power Input Recommended Fuse : 180 Amps Dimensions : 13.98” L x 6.3” W x 2.75” H

SAEv4-3000.1D Amplifier

3,000 x 1 @ 1 ohms RMS 2,000 x 1 @ 2 ohms RMS 1,300 x 1 @ 4 ohms RMS Class D amplifier 12dB variable low pass filter: 40Hz - 180Hz 12dB subsonic filter: 10Hz – 40Hz Phase shift control 0-180 degrees Power, clipping & protection indicators included Heavy aluminum heat sink for improved thermal control Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control with clipping indicator The Sundown Audio SAEv4-3000D is a simple, powerful upgrade for any car audio enthusiast seeking superior output and reliability. This high-performance half-bridge class D amplifier ensures powerful, detailed output, with variable phase, lowpass and subsonic filters providing the control you need - for the sound you love. Featuring robust protection circuitry against thermal, voltage, speaker short, and DC-offset issues, along with power and protection indicators, this amplifier guarantees long-lasting durability, while the heavy aluminum heat sink enhances thermal control, preventing overheating during extended use. The included wired remote with clipping indicator provides real-time monitoring and output control! Product Manual Specifications Input Sensitivity 6V Max Signal / Noise Ratio : 92DB Operation Voltage : DC 10.5V - 15.5V Power Input Recommended Fuse : 250 Amps Dimensions : 15.51” L x 6.3” W x 2.75” H

SAEv4-5000.1D Amplifier

5,000 x 1 @ 1 ohms RMS 3,300 x 1 @ 2 ohms RMS 2,200 x 1 @ 4 ohms RMS Class D amplifier 12dB variable low pass filter: 40Hz - 180Hz 12dB subsonic filter: 10Hz – 40Hz Phase shift control 0-180 degrees Power, clipping & protection indicators included Heavy aluminum heat sink for improved thermal control Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control with clipping indicator The Sundown Audio SAEv4-5000D amp more than just big bass - it's a powerful upgrade for any car audio enthusiast wanting superior sound quality and reliability. This high-performance half-bridge class D amplifier ensures powerful, detailed output. The variable phase, lowpass and subsonic filters provide the control you need - for the sound you love. Featuring robust protection circuitry against thermal, voltage, speaker short, and DC-offset issues, along with power and protection indicators, this amplifier guarantees long-lasting durability, while the heavy aluminum heat sink enhances thermal control, preventing overheating during extended use. The included wired remote with clipping indicator provides real-time monitoring and output control! Product Manual Specifications Input Sensitivity 6V Max Dual MOS-FET PWM Power Supply Signal / Noise Ratio : 92DB Operation Voltage : DC 10.5V - 15.5V Power Input Recommended Fuse : 2x250 Amps Dimensions : 18.5” L x 6.3” W x 2.75” H

SAEv4-600.1D Mono Amplifier

600 x 1 @ 1 ohms RMS 450 x 1 @ 2 ohms RMS 250 x 1 @ 4 ohms RMS Class D amplifier 12dB variable low pass filter: 40Hz - 180Hz 12dB subsonic filter: 10Hz – 40Hz Phase shift control 0-180 degrees Power, clipping & protection indicators included Heavy aluminum heat sink for improved thermal control Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control with clipping indicator The Sundown Audio SAEv4-600D is a simple, powerful upgrade for any car audio enthusiast seeking superior sound quality and reliability. This high-performance half-bridge class D amplifier ensures powerful, detailed output. The variable phase, lowpass, and subsonic filters provide the control you need - for the sound you love. Featuring robust protection circuitry against thermal, voltage, speaker short, and DC-offset issues, along with power and protection indicators, this amplifier guarantees long-lasting durability, while the heavy aluminum heat sink enhances thermal control, preventing overheating during extended use. The included wired remote with clipping indicator provides real-time monitoring and output control! Product Manual Specifications Input Sensitivity 6V Max Signal / Noise Ratio : 92DB Operation Voltage : DC 10.5V - 15.5V Power Input Recommended Fuse : 60 Amps Dimensions : 9.8” L x 6.3” W x 2.75” H

SAEv4-900.5 5-Channel Amplifier

120 x 4 (Ch. 1-4) + 325 x 1 @ 2 ohms RMS (Ch. 5) 80 x 4 (Ch. 1-4) + 225 x 1 @ 2 ohms RMS (Ch. 5) 500 x 1 @ 1 ohms RMS (Ch. 5) Hi-fidelity Class A/B+D design Variable 12dB low & high pass filters: 40Hz-5kHz (Ch. 1-4) Variable 12dB low pass filter: 40Hz-250Hz (Ch. 5) Variable 12dB subsonic filter: 10Hz-40Hz (Ch.5) Power and protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control with clipping indicator Power your entire system with a single Sundown amp! The SAEv4 is engineered with high-fidelity Class A/B+D multi-channel architecture, providing an ideal balance between performance and affordability. Leveraging the latest half-bridge technology, these amplifiers deliver clean, powerful signals in a compact design. Featuring an all-new chassis and heatsink design with 33% more aluminum, this SAEv4 keeps your system cool, even when the music is cranked. The amp is packed with a variable subsonic, high pass and low pass filters, plus a 4-way protection circuit (thermal, voltage, speaker short, and DC offset). With an input sensitivity of 6V max and 980 watts of RMS power at your fingertips, the SAEv4-900.5 is designed to drive your entire car audio system with precision and clarity! Product Manual Specifications Input Sensitivity 6V Max Signal / Noise Ratio : 92DB Operation Voltage : DC 10.5V - 15.5V Power Input Dimensions : 17.36” L x 6.3” W x 2.75” H

SALT-1 Class D Amplifier

2,000 x 1 @ 2 ohms RMS (when linked) 1,000 x 1 @ 1 ohms RMS mono 500 x 1 @ 2 ohms RMS mono 250 x 1 @ 4 ohms RMS mono Frequency Response : 10 Hz – 250 HZ 24dB variable subsonic filter: 10HZ - 50HZ 24dB variable low pass filter: 35HZ - 250HZ Variable bass boost @ 45Hz 0-9dB Phase shift control 0-180 degrees Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Included wired remote control displays voltage, temperature, and clipping Feel the power of the Sundown SALT-1! This strappable amp delivers a massive 2,000 watts at 2 ohms when attached to another SALT-1, or pump out 1,000 watts at 1 ohm on its own. The amp features both a 24dB variable subsonic and low pass filter, along with a bass boost at 45Hz, letting you dial in your personal, perfect sound. The phase shift control makes it easy to precisely adjust the output. With onboard indicators for power, clipping, and protection you’ll have full control over your setup. Use the included wired remote control to see voltage, temperature, and clipping at a glance. Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or a hardcore sound quality fan, the SALT series will bang. Product Manual Specifications Input Sensitivity : 6V - 0.2V Efficiency : 90% < Signal / Noise Ratio : 90DB < Damping Factor : 400 < Phase Shift Control 0-180 Degrees Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 120 Amps Dimensions : 6.69” L x 8.67” W x 2.80” H

SALT-1.5 Class D Amplifier

3,000 x 1 @ 2 ohms RMS (when linked) 1,500 x 1 @ 1 ohm RMS mono 750 x 1 @ 2 ohms RMS mono 400 x 1 @ 4 ohms RMS mono 24dB variable subsonic filter: 10HZ - 50HZ 24dB variable low pass filter: 35HZ - 250HZ Variable bass boost @ 45Hz 0-9dB Digital Class-D Linkable Mono Block Amplifier Phase shift control 0-180 degrees Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Included wired remote control displays voltage, temperature, and clipping Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or a hardcore sound quality fan, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Efficiency : 90% < Signal / Noise Ratio : 90DB < Damping Factor : 400 < Frequency Response : 10 Hz – 250 HZ Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 160 Amps Dimensions : 7.87” L x 8.67” W x 2.80” H

SALT-12 Competition Class D Amplifier

12,000 x 1 @ 1 ohms RMS mono 6,000 x 1 @ 2 ohms RMS mono 3,000 x 1 @ 4 ohms RMS mono Frequency Response : 10 Hz – 250 HZ 24dB variable subsonic filter: 10HZ - 50HZ 24dB variable low pass filter: 35HZ - 250HZ Variable bass boost @ 45Hz 0-9dB Phase shift control 0-180 degrees Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Included wired remote control displays voltage, temperature, and clipping Sundown's biggest powerhouse, the SALT-12 delivers a mind-twisting 12k at 1 ohm. The amp features both a 24dB variable subsonic and low pass filter, along with a bass boost at 45Hz, letting you dial in your personal, perfect sound. The phase shift control makes it easy to precisely adjust the output. With onboard indicators for power, clipping, and protection you’ll have full control over your setup. Use the included wired remote control to see voltage, temperature, and clipping at a glance. Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or simply want to bang harder than absolutely anyone else, the SALT series will be right at home in your system. Product Manual Specifications for the SALT12 : Input Sensitivity : 6V - 0.2V Efficiency : 90% < Signal / Noise Ratio : 90DB < Damping Factor : 400 < Phase Shift Control 0-180 Degrees Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 2000 Amps Dimensions : 37.80” L x 10.08” W x 2.96” H

SALT-1700.5 5-Channel Amplifier

1,300 x 1 @ 1 ohm RMS Mono (ch. 5) 220 x 4 + 800 x 1 @ 2 ohms RMS Stereo (ch. 1-4 + ch. 5) 125 x 4 +480 x 1 @ 4 ohms RMS Stereo (ch. 1-4 + ch. 5) 2 ohm stereo stable / 4 ohm bridged stable Full Range Digital 5 Channel Amplifier Variable subsonic crossover filter: 10Hz - 100Hz Variable high & low pass filter: 50Hz - 500Hz X1/X10 crossover multiplier Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control displays voltage and temperature Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or a hardcore sound quality fan, the SALT series will be your go-to choice to bring your entire system to life! It's got an easy-to-use high pass, low pass and subsonic filter to customize your sound exactly as you like it. Equipped with on-board power, clipping, and protection indicators to keep everything running smoothly. The optional remote control lets you see voltage and temperature at a glance. With SALT amps you get all the control you’d ever need, incredible dynamics and the kind of power only Sundown can deliver! Product Manual Specifications Input Sensitivity : 6V - 0.2V Double Sided Through Hole Epoxy PCB Efficiency : 75% 4OHM, at 100HZ Signal / Noise Ratio : 105DB < Damping Factor : 400 < Frequency Response : 10 Hz – 25khz 12DB/ OCT Variable Crossover Slope (HPF/LPF) 12DB/ OCT Variable Subsonic Crossover Slope Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 200 Amps Dimensions : 14.96” L x 6.85” W x 2.66” H

SALT-2 Class D Amplifier

4,000 x 1 @ 2 ohms RMS (when linked) 2,000 x 1 @ 1 ohms RMS mono 1,000 x 1 @ 2 ohms RMS mono 500 x 1 @ 4 ohms RMS mono Frequency Response : 10 Hz – 250 HZ Digital Class-D Linkable Mono Block Amplifier Variable bass boost @ 45Hz 0-9dB 24dB variable subsonic filter: 10HZ - 50HZ 24dB variable low pass filter: 35HZ - 250HZ Phase shift control 0-180 degrees Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Included wired remote control displays voltage, temperature, and clipping Feel the power of the Sundown SALT-2! This strappable amp delivers a massive 4,000 watts at 2 ohms when attached to another SALT-2, or pump out 2,000 watts at 1 ohm on its own. Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or simply want to bang harder than absolutely anyone else, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Dual MOS-FET PWM Power Supply Efficiency : 90% < Signal / Noise Ratio : 90DB < Damping Factor : 400 < Phase Shift Control 0-180 Degrees Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 200 Amps Dimensions : 15.74” L x 8.67” W x 2.80” H

SALT-200.2 2-Channel Amplifier

700 x 1 @ 4 ohms RMS bridged 325 x 2 @ 2 ohms RMS 200 x 2 @ 4 ohms RMS 2-channel full-range amplifier: 10Hz – 25 kHz Variable 12dB subsonic filter: 10HZ - 500HZ Variable 12dB high & low pass filters: 50HZ - 500HZ ( 500HZ - 5KHZ at x10 ) Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control displays voltage, temperature, and clipping display Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or a hardcore sound quality fan, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Efficiency : 75% 4OHM, at 100HZ Signal / Noise Ratio : 105DB < Damping Factor : 400 < Frequency Response : 10 Hz – 25khz Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 60 Amps Dimensions : 7.88” L x 6.85” W x 2.66” H

SALT-200.4 4-Channel Amplifier

700 x 2 @ 4 ohms RMS 325 x 4 @ 2 ohms RMS 200 x 4 @ 4 ohms RMS bridged 4-channel full-range amplifier: 10Hz – 25 kHz Variable 12dB high & low pass filters: 50HZ - 500HZ Variable 12dB subsonic filter: 10HZ - 500HZ X1/X10 crossover multiplier Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control displays voltage, temperature, and clipping display Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or a hardcore sound quality fan, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Double Sided Through Hole Epoxy PCB Efficiency : 75% 4OHM, at 100HZ Signal / Noise Ratio : 105DB < Damping Factor : 400 < Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 120 Amps Dimensions : 11.82” L x 6.85” W x 2.66” H4-channel full-range amplifier: 10Hz – 25 kHz

SALT-2000.6 6-Channel Amplifier

550 x 2 (Ch. 5&6 Only) @ 1 ohms RMS Stereo 200 x 2 (Ch. 1&2)+ 250 x 2 (Ch. 3&4)+ 350 x 2 @ 2 ohms (Ch. 5&6) RMS 100 x 2 (Ch. 1&2) + 150 x 2 (Ch. 3&4) + 200 x 2 @ 4 ohms (Ch. 5&6) RMS Full Range Digital 6 Channel Amplifier Frequency Response : 10 Hz – 25khz Variable 12dB Subsonic Crossover Filter : 10Hz - 100Hz Variable 12dB High Pass Filter : 50Hz - 500Hz Variable 12dB Low Pass Filter : 50Hz - 500Hz X1, X10 Crossover Multiply Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control displays voltage, temperature, and clipping Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or a hardcore sound quality fan, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Double Sided Through Hole Epoxy PCB Efficiency : 75% 4OHM, at 100HZ Signal / Noise Ratio : 105DB < Damping Factor : 400 < Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 170 Amps Dimensions : 14.17” L x 6.85” W x 2.66” H

SALT-3 3000W Class D Amplifier

6,000 x 1 @ 2 ohms RMS (when linked) 3,000 x 1 @ 1 ohms RMS mono 1,500 x 1 @ 2 ohms RMS mono 750 x 1 @ 4 ohms RMS mono 24dB variable subsonic filter: 10HZ - 50HZ 24dB variable low pass filter: 35HZ - 250HZ Frequency Response : 10 Hz – 250 HZ Variable bass boost @ 45Hz 0-9dB Phase shift control 0-180 degrees Power, clipping and protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Included wired remote control displays voltage, temperature, and clipping Feel the power of the Sundown SALT-3! This strappable amp delivers a massive 6,000 watts at 2 ohms when attached to another SALT-3, or pump out 3,000 watts at 1 ohm on its own. The amp features both a 24dB variable subsonic and low pass filter, along with a bass boost at 45Hz, letting you dial in your personal, perfect sound. The phase shift control makes it easy to precisely adjust the output. With onboard indicators for power, clipping, and protection you’ll have full control over your setup. Use the included wired remote control to see voltage, temperature, and clipping at a glance. Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or simply want to bang harder than absolutely anyone else, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Efficiency : 90% < Signal / Noise Ratio : 90DB < Damping Factor : 400 < Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 300 Amps Dimensions : 19.68” L x 8.67” W x 2.80” H

SALT-4 Class D Amplifier

8,000 x 1 @ 2 ohms RMS (when linked) 4,000 x 1 @ 1 ohms RMS mono 2,000 x 1 @ 2 ohms RMS mono 1,000 x 1 @ 4 ohms RMS mono 24dB variable subsonic filter: 10HZ - 50HZ 24dB variable low pass filter: 35HZ - 250HZ Variable bass boost @ 45Hz 0-9dB Phase shift control 0-180 degrees Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Included wired remote control displays voltage, temperature, and clipping Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or simply want to bang harder than absolutely anyone else, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Dual MOS-FET PWM Power Supply Efficiency : 90% < Signal / Noise Ratio : 90DB < Damping Factor : 400 < Frequency Response : 10 Hz – 250 HZ Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 400 Amps Dimensions : 22.05” L x 8.67” W x 2.80” H

SALT-400.2 2-Channel Amplifier

1,300 x 1 @ 4 ohms RMS bridged 650 x 2 @ 2 ohms RMS 400 x 2 @ 4 ohms RMS 2-channel full-range amplifier: 10Hz – 25 kHz Variable 12dB subsonic filter: 10HZ - 500HZ Variable 12dB high & low pass filters: 50HZ - 500HZ ( 500HZ - 5KHZ at x10 ) Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control displays voltage, temperature, and clipping display Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or a hardcore sound quality fan, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Double Sided Through Hole Epoxy PCB Variable Subsonic Crossover Filter : 10HZ - 500HZ Variable High Pass Filter : 50HZ - 500HZ ( 500HZ - 5KHZ at x10 ) Variable Low Pass Filter : 50HZ - 500HZ ( 500Hz - 5KHZ at x10 ) X1, X10 Crossover Multiply Efficiency : 75% 4OHM, at 100HZ Signal / Noise Ratio : 105DB < Damping Factor : 400 < Frequency Response : 10 Hz – 25khz 12DB/ OCT Variable Crossover Slope (HPF/LPF) 12DB/ OCT Variable Subsonic Crossover Slope Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 100 Amps Dimensions : 11.82” L x 6.85” W x 2.66” H

SALT-500.4 4-Channel Amplifier

1,400 x 2 @ 4 ohms RMS 700 x 4 @ 2 ohms RMS 500 x 4 @ 4 ohms RMS 4-channel full-range amplifier: 10Hz – 25 kHz Variable 12dB subsonic filter: 10HZ - 500HZ Variable 12dB high & low pass filters: 50HZ - 500HZ X1/X10 crossover multiplier Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control displays voltage, temperature, and clipping display Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or a hardcore sound quality fan, the SALT series will be your go-to choice to bring your speakers to life! It's got easy-to-use 12dB subsonic and high/low pass filters to customize your sound exactly as you like it. Plus, it has power, clipping, and protection indicators to keep everything running smoothly. The optional remote control lets you see voltage, temperature, and clipping with ease. With SALT amps you get all the control you’d ever need, incredible dynamics and the kind of power only Sundown can deliver! Product Manual Specifications Input Sensitivity : 6V - 0.2V Double Sided Through Hole Epoxy PCB Efficiency : 75% 4OHM, at 100HZ Signal / Noise Ratio : 105DB < Damping Factor : 400 < Frequency Response : 10 Hz – 25khz Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 300 Amps Dimensions : 14.96” L x 6.85” W x 2.66” H

SALT-6 Competition Class D Amplifier

12,000 x 1 @ 2 ohms RMS (when linked) 6,000 x 1 @ 1 ohms RMS mono 3,000 x 1 @ 2 ohms RMS mono 1,500 x 1 @ 4 ohms RMS mono Frequency Response : 10 Hz – 250 HZ 24dB variable subsonic filter: 10HZ - 50HZ 24dB variable low pass filter: 35HZ - 250HZ Variable bass boost @ 45Hz 0-9dB Phase shift control 0-180 degrees Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Included wired remote control displays voltage, temperature, and clipping Feel the power of the Sundown SALT-6! This strappable amp delivers a massive 12,000 watts at 2 ohms when linked to another SALT-6, or pump out 6,000 watts at 1 ohm on its own. The amp features both a 24dB variable subsonic and low pass filter, along with a bass boost at 45Hz, letting you dial in your personal, perfect sound. The phase shift control makes it easy to precisely adjust the output. With onboard indicators for power, clipping, and protection you’ll have full control over your setup. Use the included wired remote control to see voltage, temperature, and clipping at a glance. Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or simply want to bang harder than absolutely anyone else, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Efficiency : 90% < Signal / Noise Ratio : 90DB < Damping Factor : 400 < Frequency Response : 10 Hz – 250 HZ Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 600 Amps Dimensions : 26.78” L x 10.08” W x 2.96” H

SALT-8 Competition Class D Amplifier

16,000 x 1 @ 2 ohms RMS (when linked) 8,000 x 1 @ 1 ohms RMS mono 4,000 x 1 @ 2 ohms RMS mono 2,000 x 1 @ 4 ohms RMS mono Frequency Response : 10 Hz – 250 HZ 24dB variable subsonic filter: 10HZ - 50HZ 24dB variable low pass filter: 35HZ - 250HZ Variable bass boost @ 45Hz 0-9dB Phase shift control 0-180 degrees Power, clipping & protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Included wired remote control displays voltage, temperature, and clipping Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or simply want to bang harder than absolutely anyone else, the SALT series will be right at home in your system. Product Manual Specifications Input Sensitivity : 6V - 0.2V Dual MOS-FET PWM Power Supply Bass Boost @ 45Hz 0-9dB Efficiency : 90% < Signal / Noise Ratio : 90DB < Damping Factor : 400 < Frequency Response : 10 Hz – 250 HZ Phase Shift Control 0-180 Degrees Tested Voltage & THD : 12.8V & Less Than 1% THD Operation Voltage : DC 9V - 15.5V Power Input Recommended Fuse : 800 Amps Dimensions : 30.71” L x 10.08” W x 2.96” H

SAM-100.4 4-Channel Bluetooth Powersports Amplifier

350 x 2 @ 4 ohms (bridged) 100 x 4 @ 2 ohms 175 x 4 @ 4 ohms Variable 12dB filter: 50Hz-500Hz Power and protection indicators included Thermal, voltage, and speaker short protection circuitry Waterproof (IP67 rated) Bluetooth receiver built-in Sealed wire/signal bulkheads Gasketed audio control cover RCA line out Our SAMv.2 amplifiers are ideal for your boat, bike or UTV. On the trail or on the road, this micro amplifier fits in tight spaces, but don’t let the size fool you - they pack some big power. SAM-series amps are rated IP67, certified to withstand full submersion when getting wild off-road, or when its time to clean up when the fun is done. Both of our multi-channel amps have built-in Bluetooth, so a source unit is not needed! Just sync to your phone and enjoy! Ready to go big? With the included line output, it’s easy to add additional amplifiers to the system.

SAM-1000D Mono Powersports Amplifier

1000 @ 1 ohm 700 @ 2 ohms 400 @ 4 ohms Variable 12dB low pass filter: 50Hz-250Hz Variable 18dB bass boost Power and protection indicators included Thermal, voltage, and speaker short protection circuitry Waterproof (IP67 rated) Sealed wire/signal bulkheads Gasketed audio control cover RCA line out Sundown SAMv.2 amplifiers are ideal for your boat, bike or UTV. Whether you play in the mud, sand, dirt or asphalt, this micro amplifier performs in any weather, and with all the power and acoustic control you need to bang out the bass! SAM amps are IP67 rated, certified to withstand full submersion when getting wild off-road, or when its time to clean up when the fun is done. Ready to go big? With the included line output, it’s easy to add additional amplifiers to the system. Time to ride!

SAM-150.2 2-Channel Bluetooth Powersports Amplifier

540 x 1 @ 4 ohms 270 x 2 @ 2 ohms 150 x 2 @ 4 ohms Variable 12dB filter: 50Hz-500Hz Power and protection indicators included Thermal, voltage, and speaker short protection circuitry Waterproof (IP67 rated) Bluetooth receiver built-in Sealed wire/signal bulkheads Gasketed audio control cover RCA line out Our SAMv.2 amplifiers are ideal for your boat, bike or UTV. On the trail or on the road, this micro amplifier fits in tight spaces, but don’t let the size fool you - they pack some big power. SAM-series amps are rated IP67, certified to withstand full submersion when getting wild off-road, or when its time to clean up when the fun is done. Both of our multi-channel amps have built-in Bluetooth, so a source unit is not needed! Just sync to your phone and enjoy! Ready to go big? With the included line output, it’s easy to add additional amplifiers to the system.

SAM-1500D Mono Powersports Amplifier

1,500 @ 1 ohm 1,130 @ 2 ohms 700 @ 4 ohms Variable 12dB low pass filter: 50Hz-250Hz Variable 18dB bass boost Power and protection indicators included Thermal, voltage, and speaker short protection circuitry Waterproof (IP67 rated) Sealed wire/signal bulkheads Gasketed audio control cover RCA line out Sundown SAMv.2 amplifiers are ideal for your boat, bike or UTV. Whether you play in the mud, sand, dirt or asphalt, this micro amplifier performs with all the power and acoustic control you need to bang out the bass! SAM amps are IP67 rated, certified to withstand full submersion when getting wild off-road, or when its time to clean up when the fun is done. Ready to go big? With the included line output, it’s easy to add additional amplifiers to the system. Time to ride!

SAZ-1500 15th Anniversary Edition 1500W Class-D Amplifier

After 15yrs in business, We decided to bring back the amplifier that started it all, The SAZ-1500D. With its stunning glossy finish, this amp will take you back to simpler times. Still bosting a powerful 1500W Class D Korean board, you’ll have all the power you need without having to make major electrical system upgrades. Only 1500 of these have been made and each one is numbered Features Digital class-D linkable/dual mono block amplifier Dual MOS-FET PWM power supply Stable into 1 ohm load 24 dB/oct, variable low pass filter 24 dB/oct, variable subsonic filter 9 dB/oct, variable bass boost 180 Variable phase shift 4 ways protection circuit (thermal, voltage, speaker short and DC) Wired remote control included Product Manual

SDX-100.4 4-Channel Weatherproof Amplifier

270 x 2 @ 4 ohms RMS Bridged 135 x 4 @ 2 ohms RMS 100 x 4 @ 4 ohms RMS Variable 12dB high-pass filter: 15Hz - 500Hz or 300Hz - 10kHz (Ch. 1-2) Variable 12dB high-pass filter: 15Hz - 500Hz (Ch. 3-4) Variable 12dB low-pass filter: 30Hz - 500Hz or 600Hz - 10kHz (Ch. 3-4) x1/x20 crossover frequency multipliers Variable 12dB bass boost @ 50Hz DC auto-sensing turn on Thermal, voltage, speaker short, and dc-offset protection circuitry Water resistant Heavy cast aluminum heat sink Removable audio control cover Optional wired remote control Get ready to experience the power and versatility with the water-resistant SDX amp! Perfect for your car, UTV, or any open-air vehicle, this compact yet mighty Class D amplifier delivers exceptional fidelity. Neatly protected beneath a sealed cover, a full suite of audio controls allow you the freedom to adjust your sound to perfection. A robust aluminum casing provides superior heat dissipation, and a shield from the elements. Whether its powersports or in your daily driver - with the SDX amp, you get great sound - for years of fun in any weather! Product Manual Specifications S/N: >78dB Input sensitivity: 6V max Working voltage: 11.5 - 15V Recommended fusing: 50A Dimensions (LxWxH): 8.875" x 7" x 2.125" Note: Unscrew the badge using an allen key to access audio settings.

SDX-100.6 6-Channel Weatherproof Amplifier

300 x 3 @ 4 ohms RMS Bridged 150 x 6 @ 2 ohms RMS 100 x 6 @ 4 ohms RMS Variable 12dB high-pass filter: 15Hz - 500Hz or 300Hz - 10kHz (Ch. 1-2) Variable 12dB high-pass filter: 15Hz - 500Hz (Ch. 3-4) Variable 12dB low-pass filter: 15Hz - 500Hz or 300Hz - 10kHz (Ch. 1-2) Variable 12dB low-pass filter: 30Hz - 500Hz or 600Hz - 10kHz (Ch. 3-4) Variable 12dB low-pass filter: 30Hz - 500Hz (Ch. 5-6) x1/x20 crossover frequency multipliers DC auto-sensing turn on Thermal, voltage, speaker short, and dc-offset protection circuitry Water resistant Heavy cast aluminum heat sink Removable audio control cover Optional wired remote control Get ready to experience the power and versatility with the water-resistant SDX amp! Perfect for your car, UTV, or any open-air vehicle, this compact yet mighty Class D amplifier delivers exceptional fidelity. Neatly protected beneath a sealed cover, a full suite of audio controls allow you the freedom to adjust your sound to perfection. A robust aluminum casing provides superior heat dissipation, and a shield from the elements. Whether its powersports or in your daily driver - with the SDX amp, you get great sound - for years of fun in any weather! Product Manual Specifications S/N: >78dB Input sensitivity: 6V max Working voltage: 11.5 - 15V Recommended fusing: 80A Dimensions in Inch (L x W x H): 12.25" x 7" x 2.125" Note: Unscrew the badge using an allen key to access audio settings.

SDX-1200.1 Weatherproof Mono Amplifier

1,200 x 1 @ 1 ohm RMS 825 x 1 @ 2 ohms RMS 450 x 1 @ 4 ohms RMS Variable 12dB low-pass filter: 50Hz - 250Hz Variable 12dB bass boost DC auto-sensing turn on Thermal, voltage, speaker short, and dc-offset protection circuitry Water resistant Heavy cast aluminum heat sink Removable audio control cover Wired remote control Get ready to experience the power and versatility with the water-resistant SDX amp! Perfect for your car, UTV, or any open-air vehicle, this compact yet mighty Class D amplifier delivers exceptional fidelity. Neatly protected beneath a sealed cover, a full suite of audio controls allow you the freedom to adjust your sound to perfection. A robust aluminum casing provides superior heat dissipation, and a shield from the elements. Whether its powersports or in your daily driver - with the SDX amp, you get great sound - for years of fun in any weather! Product Manual Specifications S/N: 83dB Input sensitivity: 6V max Working voltage: 11.5 - 15V Recommended fusing: 120A Dimensions (L x W x H): 12.25" x 7" x 2.125" Note: Unscrew the badge using an allen key to access audio settings.

SDX-200.2 2-Channel Weatherproof Amplifier

560 x 1 @ 4 ohms RMS Bridged 280 x 2 @ 2 ohms RMS 200 x 2 @ 4 ohms RMS Variable 12dB high/low-pass filters: 20Hz - 500Hz Variable 12dB bass boost @ 50Hz DC auto-sensing turn on Thermal, voltage, speaker short, and dc-offset protection circuitry Water resistant Heavy cast aluminum heat sink Removable audio control cover Optional wired remote control Get ready to experience the power and versatility with the water-resistant SDX amp! Perfect for your car, UTV, or any open-air vehicle, this compact yet mighty Class D amplifier delivers exceptional fidelity. Neatly protected beneath a sealed cover, a full suite of audio controls allow you the freedom to adjust your sound to perfection. A robust aluminum casing provides superior heat dissipation, and a shield from the elements. Whether its powersports or in your daily driver - with the SDX amp, you get great sound - for years of fun in any weather! Product Manual Specifications S/N: >78dB Input sensitivity: 6V max Working voltage: 11.5 - 15V Recommended fusing: 50A Dimensions in Inch (L x W x H): 8.875" x 7" x 2.125" Note: Unscrew the badge using an allen key to access audio settings.

SDX-400.1 Weatherproof Mono Amplifier

400 x 1 @ 1 ohm RMS 300 x 1 @ 2 ohms RMS 175 x 1 @ 4 ohms RMS Variable 12dB low-pass filter: 50Hz - 250Hz Variable 12dB bass boost DC auto-sensing turn on Thermal, voltage, speaker short, and dc-offset protection circuitry Water resistant Heavy cast aluminum heat sink Removable audio control cover Wired remote control Get ready to experience the power and versatility with the water-resistant SDX amp! Perfect for your car, UTV, or any open-air vehicle, this compact yet mighty Class D amplifier delivers exceptional fidelity. Neatly protected beneath a sealed cover, a full suite of audio controls allow you the freedom to adjust your sound to perfection. A robust aluminum casing provides superior heat dissipation, and a shield from the elements. Whether its powersports or in your daily driver - with the SDX amp, you get great sound - for years of fun in any weather! Product Manual Specifications S/N: 90dB Input sensitivity: 6V max Working voltage: 11.5 - 15V Recommended fusing: 40A Dimensions (L x W x H): 5.75" x 4" x 2.125" Note: Unscrew the badge using an allen key to access audio settings.

SDX-800.1 800W Marine-Grade Powersports Audio Amplifier/Amp

Moderate power, tiny size, but at the top-end of Full-Range Class-D fidelity. The controls will have a removable cover that bolts down on top of them. The overall case is a big chunk of cast aluminum to keep temperatures in check! Product Manual Features Digital Class-D Mono Block Amplifier Dual MOS-FET PWM Power Supply 1 Ohm Stable Load 12 dB/Octave - Variable Low Pass Filter DC Auto sense feature 0 to 12dB - Variable Bass Boost 4 Way Protection Circuit (Thermal, Voltage Speaker short and DC Offset) Wired Remote Control Specifications Mono Block Class-D Amplifier 1 x 400W at 1 Ohm 1 x 300W at 2 Ohm 1 x 175W at 4 Ohm Recommended Fuse Rating: 40A LoW Pass Filter (-12dB/8) Variable: 50hz-250hz Input Sensitivity: 6V Max S/N: >90dB Cast Aluminum Heat Sync Water Resistant Highpass / Lowpass / Bandpass Filter Gain Adjustment Suitable for vehicles with start / stop function Dimensions in mm (LxWxH): 147 x 102 x 54 mm Note: Unscrew the badge using an allen key to access audio settings.

SDX-90.2 2-Channel Weatherproof Amplifier

400 x 1 @ 1 ohm RMS 300 x 1 @ 2 ohms RMS 175 x 1 @ 4 ohms RMS Variable 12dB low-pass filter: 50Hz - 250Hz Variable 12dB bass boost DC auto-sensing turn on Thermal, voltage, speaker short, and dc-offset protection circuitry Water resistant Heavy cast aluminum heat sink Removable audio control cover Wired remote control Get ready to experience the power and versatility with the water-resistant SDX amp! Perfect for your car, UTV, or any open-air vehicle, this compact yet mighty Class D amplifier delivers exceptional fidelity. Neatly protected beneath a sealed cover, a full suite of audio controls allow you the freedom to adjust your sound to perfection. A robust aluminum casing provides superior heat dissipation, and a shield from the elements. Whether its powersports or in your daily driver - with the SDX amp, you get great sound - for years of fun in any weather! Product Manual Specifications S/N: 90dB Input sensitivity: 6V max Working voltage: 11.5 - 15V Recommended fusing: 40A Dimensions (L x W x H): 5.75" x 4" x 2.125" Note: Unscrew the badge using an allen key to access audio settings.

SFB-1000.4 4-Channel Amplifier

1,000 x 4 @ 1 ohm RMS 590 x 4 @ 2 ohms RMS 350 x 4 @ 4 ohms RMS 4-channel full-range amplifier Variable 12dB low pass filter: 50Hz – 6kHz Variable 12dB high pass filter: 15Hz – 6kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control with clipping indicator Introducing the Sundown Full Bridge line of amplifiers! The “Brazilian Style” SFB packs a powerful punch in a compact size, stable down to 1 ohm per channel. Use the SFB to wire several speakers together on every channel - an ideal amp for a PA mid/high speaker array, a large marine system, or your favorite set of separates. If you are looking for raw power on a budget – look no further! Product Manual Specifications Frequency Response: 10HZ-20KHZ(-3dB) Input Impedance: 56k ohms Input Sensitivity 5V Max S/N Ratio 100dB Minimum Supply Voltage: 9VDC Maximum Supply Voltage: 16VDC Working Voltage 10.5v-15.5v Recommended Fuse Rating 350A Dimensions 8.86″ x 10.43″ x 2.70″

SFB-1000D Full Range Amplifier v.2

1,000 @ 1 ohms RMS 850 @ 2 ohms RMS 500 @ 4 ohms RMS Variable 12dB low pass filter: 80HZ – 20kHZ Variable 12dB high pass filter: 15HZ – 1kHZ Variable 12dB Bass Boost @ 50Hz 0-9dB Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control with clipping indicator The “Brazilian Style” SFB packs a powerful punch in a compact size. The flexible SFB (Sundown Full Bridge)packs a powerful punch in a compact size! Stable down to 1 ohm, the full-range SFB can be used as a subwoofer amp, or as an ideal power source for an array of P.A. speakers. If you are looking for raw power on a budget, look no further than the SFB! Product Manual Specifications Recommended Fuse Rating 100A Low Pass Filter (Variable) 80Hz-20kHz High Pass Filter (Variable) 15Hz-1kHz Bass Boost @ 50Hz 0-12dB Input Sensitivity 5V Max S/N Ratio 100dB Working Voltage 10.5v-15.5v Dimensions 7.25" x 5.75" x 2.50"

SFB-1800.5 5-Channel Amplifier

1,000 x 1 @ 1 ohm RMS (Ch. 5) 300 x 4 (Ch. 1-4) + 500 x 1(Ch. 5) @ 2 ohms RMS 200 x 4 (Ch. 1-4) + 250 x 1(Ch. 5) @ 4 ohms RMS 5-channel full-range amplifier Variable 12dB low pass filter: 50Hz – 6kHz (Ch. 1-4) Variable 12dB low pass filter: 50Hz – 20kHz (Ch. 5) Variable 12dB high pass filter: 15Hz – 6kHz (Ch. 1-4) Variable 12dB high pass filter: 50Hz – 1kHz (Ch. 5) Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control with clipping indicator Full Bridge for your full system! The “Brazilian Style” SFB packs a powerful punch in a compact size, with a bass channel stable down to 1 ohm. Use the SFB to wire several speakers together on every channel - an ideal amp for a PA mid/high speaker array, a large marine system, or your favorite set of separates, plus a dedicated powerhouse for a sub channel. If you are looking for raw power on a budget – look no further! Product Manual Specifications Frequency Response: 10HZ-20KHZ(-3dB) Input Impedance: 56k ohms Input Sensitivity 5V Max S/N Ratio 100dB Minimum Supply Voltage: 9VDC Maximum Supply Voltage: 16VDC Working Voltage 10.5v-15.5v Recommended Fuse Rating 150A Dimensions 8.86″ x 11.81″ x 2.70″

SFB-200.4 4-Channel Amplifier

200 x 4 @ 1 ohm RMS 125 x 4 @ 2 ohms RMS 75 x 4 @ 4 ohms RMS 4-channel full-range amplifier Variable 12dB low pass filter: 50Hz – 6kHz Variable 12dB high pass filter: 15Hz – 6kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control with clipping indicator Introducing the Sundown Full Bridge line of amplifiers! The “Brazilian Style” SFB packs a powerful punch in a compact size, stable down to 1 ohm per channel. Use the SFB to wire several speakers together on every channel - an ideal amp for a PA mid/high speaker array, a large marine system, or your favorite set of separates. If you are looking for raw power on a budget – look no further! Product Manual Specifications Frequency Response: 10HZ-20KHZ(-3dB) Input Impedance: 56k ohms Input Sensitivity 5V Max S/N Ratio 100dB Minimum Supply Voltage: 9VDC Maximum Supply Voltage: 16VDC Working Voltage 10.5v-15.5v Recommended Fuse Rating 80A Dimensions 7.25″ x 8.50″ x 2.50″

SFB-600D 600W Full Range Mono Amplifier

600 @ 1 ohms RMS 350 @ 2 ohms RMS 250 @ 4 ohms RMS Variable 12dB low pass filter: 80HZ – 20kHZ Variable 12dB high pass filter: 15HZ – 1kHZ Variable 12dB Bass Boost @ 50Hz 0-9dB Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control with clipping indicator The flexible SFB (Sundown Full Bridge) amplifiers pack a powerful punch in a compact size! Stable down to 1 ohm, the full-range SFB can be used as a subwoofer amp, or as an ideal power source for an array of P.A. speakers. If you are looking for raw power on a budget, look no further than the SFB Series from Sundown Audio. Product Manual Specifications Input sensitivity: 5V Max Dual MOS-FET PWM power supply S/N ratio: 86dB Recommended fuse rating: 60A Working Voltage: 10.5v-15.5v Dimensions: 7.25" x 5.00" x 2.50"

SIA-1250D

The Sundown Audio SIA-1250D is a high-performance car audio amplifier. Built for reliable power delivery and superior sound quality.

SIA-1250D Full-Range Mono Amplifier

1,250 x 1 @ 1 ohm RMS 1,250 x 1 @ 2 ohms RMS 800 x 1 @ 4 ohms RMS Variable 12dB low pass filter: 40Hz-20kHz Variable 12dB high pass filter: 10Hz-1kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Advanced 3-speed fan design Subsonic filter Intelligent full bridge design Wired remote control with clipping indicator included Delivering the same power at 1 or 2 ohms, Sundown SIA Smart amplifiers are built with power and stability at their core. These full-bridge amplifiers feature a heavy heatsink for outstanding thermal management, while the three-speed Smart Cooling fan and advanced power supply design protects the amplifier from overheating and distorted output. Product Manual Specifications Input Sensitivity: 5V Max Single Noise Ratio: 108dB Working Voltage: 10.5V – 15.5V DC Recommended Fuse Rating: 120A Dimensions (HxWxD): 7.25” x 5.75” x 2.45”

SIA-1750D Full-Range Mono Amplifier

1,750 x 1 @ 1 ohm RMS 1,750 x 1 @ 2 ohms RMS 1,250 x 1 @ 4 ohms RMS Variable 12dB low pass filter: 40Hz-20kHz Variable 12dB high pass filter: 10Hz-1kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Advanced 3-speed fan design Subsonic filter Intelligent full bridge design Wired remote control with clipping indicator included Delivering the same power at 1 or 2 ohms, Sundown SIA Smart amplifiers are built with power and stability at their core. These full-bridge amplifiers feature a heavy heatsink for outstanding thermal management, while the three-speed Smart Cooling fan and advanced power supply design protects the amplifier from overheating and distorted output. Product Manual Specifications Input Sensitivity: 5V Max Single Noise Ratio: 108dB Working Voltage: 10.5V – 15.5V DC Recommended Fuse Rating: 150A Dimensions (HxWxL): 2.45” x 7.25” x 6.50”

SIA-2500D Full-Range Mono Amplifier

2,500 x 1 @ 1 ohm RMS 2,500 x 1 @ 2 ohms RMS 2,000 x 1 @ 4 ohms RMS Variable 12dB low pass filter: 40Hz-20kHz Variable 12dB high pass filter: 10Hz-1kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Advanced 3-speed fan design Subsonic filter Intelligent full bridge design Wired remote control with clipping indicator included Delivering the same power at 1 or 2 ohms, Sundown SIA amplifiers are built with power and stability at their core. These full-bridge amplifiers feature a heavy heatsink for outstanding thermal management, while the three-speed Smart Cooling fan and advanced power supply design protects the amplifier from overheating and distorted output. Product Manual Specifications Input Sensitivity: 5V Max Single Noise Ratio: 108dB Working Voltage: 10.5V – 15.5V DC Recommended Fuse Rating: 220A Dimensions (HxWxL): 2.45” x 7.25” x 7.25”

SIA-3500D v2 Full-Range Mono Amplifier

3,500 x 1 @ 1 ohm RMS 3,300 x 1 @ 2 ohms RMS 2,600 x 1 @ 4 ohms RMS Variable 12dB low pass filter: 40Hz-20kHz Variable 12dB high pass filter: 10Hz-1kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Advanced 3-speed fan design Subsonic filter Intelligent full bridge design Wired remote control with clipping indicator included Delivering tremendous power at 1, 2, or 4 ohms, the Sundown SIA amps are built with power and stability at their core. These full-bridge amplifiers feature a heavy heatsink for outstanding thermal management, while the three-speed Smart Cooling fan and advanced power supply design protects the amplifier from overheating and distorted output. Made to bang all day long, by the world champions of bass! Product Manual Specifications Input Sensitivity: 5V Max Single Noise Ratio: 108dB Working Voltage: 10.5V – 15.5V DC Recommended Fuse Rating: 300A Dimensions (HxWxL): 2.68” x 8.86” x 10.43”

SIA-5000D

The Sundown Audio SIA-5000D is a high-performance car audio amplifier. Built for reliable power delivery and superior sound quality.

SIA-5000D Full-Range Mono Amplifier

5,000 x 1 @ 1 ohm RMS 4,950 x 1 @ 2 ohms RMS 3,400 x 1 @ 4 ohms RMS Variable 12dB low pass filter: 40Hz-20kHz Variable 12dB high pass filter: 10Hz-1kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Advanced 3-speed fan design Subsonic filter Intelligent full bridge design Wired remote control with clipping indicator included Delivering tremendous power at 1, 2, or 4 ohms, the Sundown SIA amps are built with power and stability at their core. These full-bridge amplifiers feature a heavy heatsink for outstanding thermal management, while the three-speed Smart Cooling fan and advanced power supply design protects the amplifier from overheating and distorted output. Made to bang all day long, by the world champions of bass! Product Manual Specifications Input Sensitivity: 5V Max Single Noise Ratio: 108dB Working Voltage: 10.5V – 15.5V DC Recommended Fuse Rating: 220A x 2 Dimensions (HxWxL): 2.68” x 8.86” x 13.78”

SIA-8000D Full-Range Mono Amplifier

8,000 x 1 @ 1 ohm RMS 7,700 x 1 @ 2 ohms RMS 5,600 x 1 @ 4 ohms RMS Variable 12dB low pass filter: 40Hz-20kHz Variable 12dB high pass filter: 10Hz-1kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Advanced 3-speed fan design Subsonic filter Intelligent full bridge design Wired remote control with clipping indicator included Delivering tremendous power at 1, 2, or 4 ohms, the Sundown SIA amps are built with power and stability at their core. These full-bridge amplifiers feature a heavy heatsink for outstanding thermal management, while the three-speed Smart Cooling fan and advanced power supply design protects the amplifier from overheating and distorted output. Made to bang all day long, by the world champions of bass! Product Manual Specifications Input Sensitivity: 5V Max Single Noise Ratio: 108dB Working Voltage: 10.5V – 15.5V DC Recommended Fuse Rating: 350A x 2 Dimensions (HxWxL): 2.68” x 8.86” x 17.71”

Stereo Integrity SIQ 125.4 High-Fidelity 4-Channel Amplifier

Stereo Integrity SIQ 125.4 Amplifier: Purity at its Finest The Stereo Integrity SIQ 125.4 signals the return of true high-fidelity audio engineering to the mobile sound space. Built by audiophiles for audiophiles, this Class A/B amplifier prioritizes signal integrity above all else. Its design features zero filters, zero crossovers, and zero EQ , delivering a full bandwidth signal (5 Hz to 150, 000 Hz) that is uncompromisingly pure. This is the foundation for an accurate soundstage and breathtaking sonic detail. Uncompromised Audiophile Construction Every component in the SIQ 125. 4 was selected for its acoustic performance and durability: Output Transistors: Utilizes audiophile-grade TO-3 output transistors for clean, linear power. Internal Circuitry: Features UPC4570 op-amps , IRFPO64N power supply transistors , and sand cast resistors. Connections: Equipped with premium Tiffany-style RCA connections accepting inputs up to 16 Volts. Chassis: Features a thick extruded aluminum chassis with a copper anodized shielded transformer cover to minimize noise, topped with a large plexiglass viewing window . High Power, Ultra-Low Distortion Performance The SIQ 125. 4 delivers robust power with unmatched fidelity, validated by Audio Precision measurements : Rated RMS Power Output (4 Channels): 125W RMS x4 @ 4Ω Rated RMS Power Output (2 Channels): 200W RMS x4 @ 2Ω Bridged Power: 400W RMS x2 @ 4Ω Total Harmonic Distortion (THD): 0.01 % (Exceptional clarity) Signal-to-Noise Ratio (SNR): 91 dB Installation and Specifications Purity Control: Features a discrete gain knob per channel for precise level matching. Dimensions: Compact size at 16.5 x 8 x 2 Inches . Current Draw: Maximum current draw of 98 amps, requiring proper wiring and fusing. The SIQ 125. 4 is the ultimate solution for audiophiles seeking true sound reproduction in their vehicle. Amplifiers Specifications Frequency Response Minimum 5 Hz Frequency Response Maximum 150,000 Hz Signal-to-Noise Ratio (SNR) 91 dB Total Harmonic Distortion (THD) 0.01 % Dimensions (W x H x D) 16.5 x 8 x 2 Inches Rated RMS power output into all 4 channels at 4 ohm 125 Watts Rated RMS power output into all 4 channels at 2 ohm 200 Watts Bridged RMS power into 2 channels at 4 ohm 400 Watts Power Idle Current Draw 1.6 amps Maximum Current Draw 98 amps Connections RCA Input Maximum 16 Volts

Stereo Integrity SIQ 200.2 High-Fidelity 2-Channel Amplifier

Stereo Integrity SIQ 200.2 Amplifier: Purity and Power in Two Channels The Stereo Integrity SIQ 200.2 brings true high-fidelity audio engineering back to mobile sound systems. Built by audiophiles for the most discerning listeners, this powerful 2-Channel Class A/B amplifier prioritizes signal integrity above all else. Its design features zero filters, zero crossovers, and zero EQ , delivering a full bandwidth signal (5 Hz to 150,000 Hz) that is clean, precise, and uncompromised. This is the foundation for an accurate soundstage and breathtaking sonic detail. Uncompromised Audiophile Construction Every component in the SIQ 200.2 was selected based on its acoustic performance and long-term durability: Output Transistors: Utilizes audiophile-grade TO-3 output transistors for clean, linear power delivery. Internal Circuitry: Features high-quality UPC4570 op-amps , IRFPO64N power supply transistors , and sand cast resistors throughout the construction. Aesthetics: Protected by a thick extruded aluminum chassis with a copper anodized shielded transformer cover to minimize electromagnetic interference, all visible through a large plexiglass viewing window . High Power, Ultra-Low Distortion Performance The SIQ 200.2 delivers robust power with unmatched fidelity, validated by Audio Precision measurements : Rated RMS Power Output (2 Channels): 200W RMS x2 @ 4Ω High Current Output: 400W RMS x2 @ 2Ω Bridged Monoblock Power: 800W RMS x1 @ 4Ω Total Harmonic Distortion (THD): 0.03 % (Exceptional clarity) Signal-to-Noise Ratio (SNR): 92 dB Installation and Specifications Purity Control: Features a discrete gain knob per channel for precise level matching. Connections: Premium Tiffany-style RCA connections accepting inputs up to 16 Volts. Dimensions: Compact size at 14 x 8 x 2 Inches . Current Draw: Maximum current draw of 85.6 amps. The SIQ 200.2 is the ultimate 2-channel solution for audiophiles seeking true, powerful sound reproduction in their vehicle. Amplifiers Specifications Frequency Response Minimum 5 Hz Frequency Response Maximum 150,000 Hz Signal-to-Noise Ratio (SNR) 92 dB Total Harmonic Distortion (THD) 0.03 % Dimensions (W x H x D) 14 x 8 x 2 Inches Rated RMS power output into all 4 channels at 4 ohm 200 Watts Rated RMS power output into all 4 channels at 2 ohm 400 Watts Bridged RMS power into 2 channels at 4 ohm 800 Watts Power Idle Current Draw 1.3 amps Maximum Current Draw 85.6 amps Connections RCA Input Maximum 16 Volts

Stereo Integrity SIQ 200.4 High-Fidelity 4-Channel Amplifier

Stereo Integrity SIQ 200.4 Amplifier: Purity and Power in Two Channels The Stereo Integrity SIQ 200.4 brings true high-fidelity audio engineering back to mobile sound systems. Built by audiophiles for the most discerning listeners, this powerful 2-Channel Class A/B amplifier prioritizes signal integrity above all else. Its design features zero filters, zero crossovers, and zero EQ , delivering a full bandwidth signal (5 Hz to 150,000 Hz) that is clean, precise, and uncompromised. This is the foundation for an accurate soundstage and breathtaking sonic detail. Uncompromised Audiophile Construction Every component in the SIQ 200.4 was selected based on its acoustic performance and long-term durability: Output Transistors: Utilizes audiophile-grade TO-3 output transistors for clean, linear power delivery. Internal Circuitry: Features high-quality UPC4570 op-amps , IRFPO64N power supply transistors , and sand cast resistors throughout the construction. Aesthetics: Protected by a thick extruded aluminum chassis with a copper anodized shielded transformer cover to minimize electromagnetic interference, all visible through a large plexiglass viewing window . High Power, Ultra-Low Distortion Performance The SIQ 200.4 delivers robust power with unmatched fidelity, validated by Audio Precision measurements : Rated RMS Power Output (2 Channels): 200W RMS x2 @ 4Ω High Current Output: 400W RMS x2 @ 2Ω Bridged Monoblock Power: 800W RMS x1 @ 4Ω Total Harmonic Distortion (THD): 0.03 % (Exceptional clarity) Signal-to-Noise Ratio (SNR): 92 dB Installation and Specifications Purity Control: Features a discrete gain knob per channel for precise level matching. Connections: Premium Tiffany-style RCA connections accepting inputs up to 16 Volts. Dimensions: Compact size at 14 x 8 x 2 Inches . Current Draw: Maximum current draw of 85.6 amps. The SIQ 200.4 is the ultimate 2-channel solution for audiophiles seeking true, powerful sound reproduction in their vehicle. Amplifiers Specifications Frequency Response Minimum 5 Hz Frequency Response Maximum 150,000 Hz Signal-to-Noise Ratio (SNR) 92 dB Total Harmonic Distortion (THD) 0.03 % Dimensions (W x H x D) 27.25 x 8 x 2 Inches Rated RMS power output into all 4 channels at 4 ohm 200 Watts Rated RMS power output into all 4 channels at 2 ohm 425 Watts Bridged RMS power into 2 channels at 4 ohm 875 Watts Power Idle Current Draw 2.6 amps Maximum Current Draw 176 amps Connections RCA Input Maximum 16 Volts

Stereo Integrity SIQ 75.4 High-Fidelity 4-Channel Amplifier

Stereo Integrity SIQ 75.4 Amplifier: Purity at its Finest for Your Soundstage The Stereo Integrity SIQ 75.4 signals the return of true high-fidelity audio engineering to the mobile sound space. Built by audiophiles for the most discerning listeners, this 4-Channel Class A/B amplifier prioritizes signal integrity above all else. Its core design features zero filters, zero crossovers, and zero EQ , delivering a full bandwidth signal (5 Hz to 150,000 Hz) that is clean, precise, and uncompromised. This is the foundation for an accurate soundstage and breathtaking sonic detail. Uncompromised Audiophile Construction Every component in the SIQ 75.4 was selected for its acoustic performance and durability: Output Transistors: Utilizes audiophile-grade TO-3 output transistors for clean, linear power. Internal Circuitry: Features high-quality UPC4570 op-amps , IRFPO64N power supply transistors , and sand cast resistors throughout. Connections: Equipped with premium Tiffany-style RCA connections accepting inputs up to 16 Volts. Chassis: Protected by a thick extruded aluminum chassis with a copper anodized shielded transformer cover to minimize electromagnetic interference, all visible through a large plexiglass viewing window . Clean Power, Ultra-Low Distortion Performance The SIQ 75.4 delivers precise power with unmatched fidelity, validated by Audio Precision measurements : Rated RMS Power Output (4 Channels): 75W RMS x4 @ 4Ω High Current Output: 120W RMS x4 @ 2Ω Bridged Power: 120W RMS x2 @ 4Ω Total Harmonic Distortion (THD): An ultra-low 0.03 % Signal-to-Noise Ratio (SNR): 90 dB Installation and Specifications Purity Control: Features a discrete gain knob per channel for precise level matching. Dimensions: Compact size at 14 x 8 x 2 Inches . Current Draw: Maximum current draw of 66 amps. The SIQ 75.4 is the ideal solution for audiophiles seeking true sound reproduction for their front and rear stage speakers. Amplifiers Specifications Frequency Response Minimum 5 Hz Frequency Response Maximum 150,000 Hz Signal-to-Noise Ratio (SNR) 90 dB Total Harmonic Distortion (THD) 0.03 % Dimensions (W x H x D) 14 x 8 x 2 Inches Rated RMS power output into all 4 channels at 4 ohm 75 Watts Rated RMS power output into all 4 channels at 2 ohm 120 Watts Bridged RMS power into 2 channels at 4 ohm 120 Watts Power Idle Current Draw 1.2 amps Maximum Current Draw 66 amps Connections RCA Input Maximum 16 Volts

Sundown-Audio-SAEv4-3000.1D

The Sundown Audio Sundown-Audio-SAEv4-3000.1D is a high-performance car audio amplifier. Built for reliable power delivery and superior sound quality.