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Product data aggregated from publicly available retailer listings

Sonic ElectronixWoofers EtcSky High Car AudioDown4Sound ShopBig Jeff AudioCar Audio BargainShowtime Electronics+ more
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Home/Equipment/Amplifiers/Sundown Audio/SIA-2500D Full-Range Mono Amplifier
Sundown Audio SIA-2500D Amplifier - Full-Range Mono Class D, Non-Bridgeable - Black ribbed aluminum chassis, multiple RCA inputs, robust speaker terminals, compact design.
Sundown Audio/Amplifier

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”
Used in 0 builds
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Specifications

class
D
channels
1
Compare Prices(3 retailers)
B
Big Jeff Online AudioBest Price
Available
$219.99
$274.99Save 20%
Updated 3/23/2026
Sparked Innovations
Sparked Innovations
Available
$384.99
Updated 3/24/2026
S
Sparked Innovations
Available
$384.99
Updated 3/15/2026
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Frequently Asked Questions

What is the Sundown Audio SIA-2500D Full-Range Mono Amplifier?

The Sundown Audio SIA-2500D Full-Range Mono Amplifier is a car audio equipment made by Sundown Audio. View full specifications and where to buy on this page.

How much does the Sundown Audio SIA-2500D Full-Range Mono Amplifier cost?

The Sundown Audio SIA-2500D Full-Range Mono Amplifier typically sells for $220 to $385 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the Sundown Audio SIA-2500D Full-Range Mono Amplifier?

You can purchase the Sundown Audio SIA-2500D Full-Range Mono Amplifier from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.

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