Crescendo Audio Amplifiers

Description 17k for $1799 MEGA SALE FOR A LIMITED TIME. STARTS 12/5 As some enthusiasts have already heard through the grapevine, it is our pleasure to announce the new BassClef series. The current Bass Clef series has had a hell of a run since 2011, but with all good things, it is time to raise the bar once again. The 2018 Bass Clef models range from 4kw to 17kw. The first models to hit the market will be the BC-4k and BC-6k, followed by the 8k, 13k and 17k. All new BC amplifiers utilize a newly tooled Crescendo heatsink and revamped circuit boards that stay true to our standards, with even higher power-per-square inch and resilience than before. Stable down to .5 ohm on sufficient electrical. Up to 17v capable. Newly designed, custom tooled, proprietary Multi-piece Thermal optimized Heatsink with patent pending interlocking slide-out CNC engraved top plate. 2 stage copper anodized Top Plate that is easily removable for those who want to color match to their show quality installs. Silver plated & hard-wired Tiffany RCA inputs 2 sets of oversized 1/0 Power/Ground Inputs for efficient current transfer. Dual 4 gauge Speaker output terminals! Which each terminal containing two outputs contains the same polarity for extreme ease of use! ( + + ) & (- -) Overbuilt Power supply with heavy copper traces and Military spec PCB/heavy duty standoffs for extreme vibration resistance. Handwound heavy duty transformers & inductors to insure no shorting of the windings from escessive vibration. Manufactured using some of the highest quality and most reliable electrical components, with many 3% tolerance components throughout. Full 4-Stage Intelligent protection Circuitry 1 Year/1ohm comprehensive warranty with 2 year/.5ohm optional extended warranty available. Power Ratings (clean power RMS @13.8v) 1ohm: 17000w 2ohm: 8500w 4ohm: 4500w Dimensions: 39.5" Length (between mounting brackets) x 12.5" Width x 3" Height Free shipping in the 48 states

Description BASSCLEF-4K As some enthusiasts have already heard through the grapevine, it is our pleasure to announce the new BassClef series. The current Bass Clef series has had a hell of a run since 2011, but with all good things, it is time to raise the bar once again. The 2018 Bass Clef models range from 4kw to 17kw. The first models to hit the market will be the BC-4k and BC-6k, followed by the 8k, 13k and 17k. All new BC amplifiers utilize a newly tooled Crescendo heatsink and revamped circuit boards that stay true to our standards, with even higher power-per-square inch and resilience than before. Stable down to .5 ohm on sufficient electrical. Up to 17v capable. Newly designed, custom tooled, proprietary Multi-piece Thermal optimized Heatsink with patent pending interlocking slide-out CNC engraved top plate. 2 stage copper anodized Top Plate that is easily removable for those who want to color match to their show quality installs. Silver plated & hard-wired Tiffany RCA inputs 2 sets of oversized 1/0 Power/Ground Inputs for efficient current transfer. Dual 4 gauge Speaker output terminals! Which each terminal containing two outputs contains the same polarity for extreme ease of use! ( + + ) & (- -) Overbuilt Power supply with heavy copper traces and Military spec PCB/heavy duty standoffs for extreme vibration resistance. Handwound heavy duty transformers & inductors to insure no shorting of the windings from escessive vibration. Manufactured using some of the highest quality and most reliable electrical components, with many 3% tolerance components throughout. Full 4-Stage Intelligent protection Circuitry 1 Year/1ohm comprehensive warranty with 2 year/.5ohm optional extended warranty available. Power Ratings (clean power RMS @13.8v) 1ohm: 4000w 2ohm: 2000w 4ohm:1200w Certified Amp Dyno results (on electrical consisting of Mechman 370a alternator, 8 HPL75 AGM batteries, 3 runs of Crescendo 1/0 OFC cable runs Front to back) .5ohm: 5710w @13.1v 1ohm: 4416w @ 13.3v 2ohm: 2529w @ 13.4v Dimensions: 23 3/4" x 9 1/8" x 2 7/8" (25" length from tip of terminal block to RCA tip) Free shipping in the 48 states

Description BASSCLEF-6K As some enthusiasts have already heard through the grapevine, it is our pleasure to announce the new BassClef series. The current Bass Clef series has had a hell of a run since 2011, but with all good things, it is time to raise the bar once again. The 2018 Bass Clef models range from 4kw to 17kw. The first models to hit the market will be the BC-4k and BC-6k, followed by the 8k, 13k and 17k. All new BC amplifiers utilize a newly tooled Crescendo heatsink and revamped circuit boards that stay true to our standards, with even higher power-per-square inch and resilience than before. Stable down to .5 ohm on sufficient electrical. Up to 17v capable. Newly designed, custom tooled, proprietary Multi-piece Thermal optimized Heatsink with patent pending interlocking slide-out CNC engraved top plate. 2 stage copper anodized Top Plate that is easily removable for those who want to color match to their show quality installs. Silver plated & hard-wired Tiffany RCA inputs 2 sets of oversized 1/0 Power/Ground Inputs for efficient current transfer. Dual 4 gauge Speaker output terminals! Which each terminal containing two outputs contains the same polarity for extreme ease of use! ( + + ) & (- -) Overbuilt Power supply with heavy copper traces and Military spec PCB/heavy duty standoffs for extreme vibration resistance. Handwound heavy duty transformers & inductors to insure no shorting of the windings from escessive vibration. Manufactured using some of the highest quality and most reliable electrical components, with many 3% tolerance components throughout. Full 4-Stage Intelligent protection Circuitry 1 Year/1ohm comprehensive warranty with 2 year/.5ohm optional extended warranty available. Power Ratings (clean power RMS @13.8v) 1ohm: 6000w 2ohm: 3000w 4ohm:1750w Certified Amp Dyno results (on electrical consisting of Mechman 370a alternator, 8 HPL75 AGM batteries, 3 runs of Crescendo 1/0 OFC cable runs Front to back) .5ohm: 8210w @12.9v 1ohm: 6554w @ 13.3v 2ohm: 3729w @ 13.7v Dimensions: 25 3/4" x 9 1/8" x 2 7/8" (27" length from tip of terminal block to RCA tip) Free shipping in the 48 states

Description As some enthusiasts have already heard through the grapevine, it is our pleasure to announce the new BassClef series. The current Bass Clef series has had a hell of a run since 2011, but with all good things, it is time to raise the bar once again. The 2018 Bass Clef models range from 4kw to 17kw. The first models to hit the market will be the BC-4k and BC-6k, followed by the 8k, 13k and 17k. All new BC amplifiers utilize a newly tooled Crescendo heatsink and revamped circuit boards that stay true to our standards, with even higher power-per-square inch and resilience than before. Stable down to .5 ohm on sufficient electrical. Up to 17v capable. Newly designed, custom tooled, proprietary Multi-piece Thermal optimized Heatsink with patent pending interlocking slide-out CNC engraved top plate. 2 stage copper anodized Top Plate that is easily removable for those who want to color match to their show quality installs. Silver plated & hard-wired Tiffany RCA inputs 2 sets of oversized 1/0 Power/Ground Inputs for efficient current transfer. Dual 4 gauge Speaker output terminals! Which each terminal containing two outputs contains the same polarity for extreme ease of use! ( + + ) & (- -) Overbuilt Power supply with heavy copper traces and Military spec PCB/heavy duty standoffs for extreme vibration resistance. Handwound heavy duty transformers & inductors to insure no shorting of the windings from escessive vibration. Manufactured using some of the highest quality and most reliable electrical components, with many 3% tolerance components throughout. Full 4-Stage Intelligent protection Circuitry 1 Year/1ohm comprehensive warranty with 2 year/.5ohm optional extended warranty available. Power Ratings (clean power RMS @13.8v) 1ohm: 8000w 2ohm: 4000w 4ohm: 2500w Dimensions: 31.25" Length (between mounting brackets) x 12.5" Width x 3" Height Free shipping in the 48 states

4 channel amplifier

High-performance Class D amplifier

2 channel amplifier

High-performance Class D amplifier

Description Crescendo Audio C2000.4D All Concerto D series amplifiers now feature our newly designed 2018 BC/Concerto heatsink case! 4 channel Class D Full Range Amplifier Capable of over 1040rms bridged x2 @ 4ohm of pure Class D power! Highpass/Full/Bandpass 100% Custom Designed Active capable Crossover network with x10 multiplier switch Custom 24db defeatable crossover network with up to 8khz highpass/lowpass settings 2ch/4ch selector switch to eliminate the need for "Y" cables when bridged Quiet, Variable Speed Fan for Efficient Cooling Individual Clipping Indicator for each channel located on side panel Custom tooled, proprietary Multi-piece Thermal optimized Heatsink with patent pending interlocking slide-out CNC engraved top plate. 2 stage copper anodized removable top plate. Silver plated high end hard-wired Tiffany RCA inputs for optimal signal fidelity for both Inputs and Outputs 1/0 Power/Ground Inputs for efficient current transfer. Overbuilt Power supply with heavy copper traces and Military spec PCB/heavy duty standoffs for extreme vibration resistance. Manufactured using some of the highest quality and most reliable electrical components, with many 3% tolerance components throughout. C2000.4 Rated Power Output(RMS) Clean RMS power on 13.8v standard electrical system: 300w x4 @ 4ohm 520w x4 @ 2ohm 1040w x2 @4ohm Bridged Incredibly compact footprint! Dimensions : 15" x 2.75" x 9.5" Reviews 1 Review 5 Symphony S2 2 Channel Amplifier Posted by ISIAH MALACHI GREEN on Mar 15th 2026 Great amp. Powerful. Running 4 Deaf Bounce M65AN apocalypse Arnold neos. Has my mids screaming and it's super clear . I set the gains with a SMD DD1 and the amplifier will detect distortion before the DD1 does. Friendly tip - remember to set both gains.

Description Crescendo C3000.2D Amplifier – High-Power 2-Channel Class D Performance The Crescendo C3000.2D Amplifier is the latest addition to the renowned Concerto Class lineup. This model features the newly redesigned 2018 BC/Concerto heatsink chassis , offering both functional thermal optimization and a sleek, aggressive look. Built as a 2-channel, 1-ohm stable, Class D full-range amplifier , the C3000.2D is capable of delivering over 3080W RMS @ 2Ω bridged —making it a perfect choice for serious car audio enthusiasts demanding compact, raw power. Key Features: Full-Range 2-Channel Class D Amplifier Stable down to 1Ω per channel Capable of 3080W RMS bridged @ 2Ω Highpass / Full / Bandpass crossover modes x10 multiplier switch for advanced tuning 24dB/octave custom crossover , defeatable, adjustable up to 8kHz Premium Construction: Custom CNC-machined multi-piece heatsink with patent-pending slide-out engraved top plate Dual-stage copper anodized removable top plate Quiet, variable-speed cooling fan Side-panel clipping indicator Remote bass knob with built-in clipping indicator Audio & Electrical Excellence: Silver-plated Tiffany RCA inputs/outputs for unmatched signal integrity Oversized 1/0 gauge power and ground terminals Overbuilt power supply with: Heavy copper traces Military-spec PCB Heavy-duty standoffs for vibration resistance Assembled using high-quality components , including many 3% tolerance parts for precision and reliability Rated RMS Power (13.8V System): 650W x 2 @ 4Ω 1060W x 2 @ 2Ω 1540W x 2 @ 1Ω 3080W x 1 @ 2Ω Bridged Dimensions: 15.5" x 2.75" x 9.5" Incredibly compact footprint for its power class. Explore more Crescendo amplifiers in our collection. Reviews 1 Review 5 Loud and clean Posted by Jackson McMahon on Dec 10th 2025 I originally was using a mono-block at 2 ohms for 2 zvx 12s and this thing sounds way better and cleaner, and clip indicator is great ?. Needs good electrical support but sounds awesome

Description Skyway-3K Full range Monoblock Amplifier \nAfter observing the current wave of full range, high power (& distortion) full bridge circuit amplifiers hitting the markets, we decided it was time to clean up the wave of full bridge amplification. As opposed to cutting corners, we stayed true to our uncompromising build quality, focused on supreme output quality and reliability. After multiple prototypes and development, we arrived at the Skyway. MONSTER power trapped in a compact housing, the Skyway series is the next breakthrough in the loud & clear game! \n \n \n \n Certified Dyno runs 3300w RMS 1ohm @ 13.5v \n Skyway 3k is housed in the same Symphony heatsink optimized for efficient heat dissipation while keeping form factor at an all time low. \n Pure full range design to drive anything type of mid/midbass/horn/tweeter \n Heavy copper traces in the Korean built boards, as well as top quality components used throughout. \n Input signal transfers cleanly to the board via the Tiffany style RCA input jacks. \n 1/0 gauge Power/Ground Terminals \n Remote bass knob included if you plan on running on subwoofers although it is recommended to run the Symphony S1-plus amplifier if for subwoofer use only. \n Sports a silent ball bearing fan to keep it happy no matter what you throw at it. \n \n \n \n SW-3k Rated Power output @ 14.4v (RMS): \n \n 1ohm: 3000w \n 2ohm: 2300w \n 4ohm: 1400w \n 1ohm @ 16v: 3600w \n \n SW-3k Dimensions: 12.6"L x 7.6"W x 2.5"H \n300a fuse for the power input suggested \n \nFree shipping in the continental USA.

Description Symphony S1 Fullrange Monoblock Amplifier The new & improved Symphony amplifiers are packed with even more power density than the highly renowned originals! The S1 is rated for 1500w @ 1ohm Efficient design only requires the use of 4 gauge power and ground cables. New Custom tooled Symphony heatsink optimized for uncompromising heat dissipation while keeping form factor at an all time low. Built in 18db/Slope crossover network allows for precise adjustment of your system's needs for perfect Midbass/Midrange. The S1 output frequency allows the user to run for midbass/midrange! (up to 5khz) All Symphony models utilize heavy copper traces in the Korean built boards, as well as top quality components used throughout. Input signal transfers cleanly to the board via the Tiffany style RCA input jacks. The S1 sports a silent ball bearing fan to keep it happy no matter what you throw at it. Does not come with a bass knob S1 Rated Power output @ 13.8v (RMS): 1ohm: 1500w 2ohm: 1000w 4ohm: 550w S1 Dimensions: 7"L x 7.6"W x 2.5"H 150a fuse for the power input suggested Free shipping in the continental USA.

Description Symphony S1-Plus Monoblock Bass Amplifier Toward the end of 2018, when we released the information of the new BassClef series, did you ever wonder why we decided not to replace the legendary BC2000D with a new model of the same level of power? Well now the masses know why, introducing the S1 Plus! More power than the BC2000D, in a smaller footprint! Now you can truly run the town with your compact banger of an amp! The new & improved Symphony amplifiers are packed with even more power density than the highly renowned originals! The S1-Plus is rated for 2500w @ 1ohm New Custom tooled Symphony heatsink optimized for uncompromising heat dissipation while keeping form factor at an all time low. Designed to drive your subwoofers as efficiently and cleanly as possible. All Symphony models utilize heavy copper traces in the Korean built boards, as well as top quality components used throughout. Input signal transfers cleanly to the board via the Tiffany style RCA input jacks. 1/0 gauge Power/Ground Terminals The S1-Plus comes with a remote bass knob if you're into that kind of thing. The S1-Plus sports a silent ball bearing fan to keep it happy no matter what you throw at it. S1-Plus Rated Power output @ 13.8v (RMS): 1ohm: 2500w 2ohm: 1500w 4ohm: 800w S1-Plus Dimensions: 14.5"L x 7.6"W x 2.5"H 250a fuse for the power input suggested Free shipping in the continental USA.

Description Symphony S1v2 Monoblock Bass Amplifier The new & improved Symphony amplifiers are packed with even more power density than the highly renowned originals! Introducing the version 2, bass-only optimized model of the S1, dubbed the S1v2. The S1v2 does even more power than the S1, in a slightly larger frame. It is designed to be an absolute top choice for a subwoofer monoblock amp at this power level. Where as the S1 is a full range model, suitable for subwoofer duty or midrange/midbass, the S1v2 is designed and developed to be as efficient and stable as possible for subwoofer-only duty. The S1v2 is rated for 1650w @ 1ohm Efficient design only requires the use of 4 gauge power and ground cables. New Custom tooled Symphony heatsink optimized for uncompromising heat dissipation while keeping form factor at an all time low. Built in 18db/Slope crossover network allows for precise adjustment of your system's needs. All Symphony models utilize heavy copper traces in the Korean built boards, as well as top quality components used throughout. Input signal transfers cleanly to the board via the Tiffany style RCA input jacks. The S1v2 comes with a remote bass knob if you're into that kind of thing. The S1v2 sports a silent ball bearing fan to keep it happy no matter what you throw at it. S1v2 Rated Power output @ 13.8v (RMS): 1ohm: 1650w 2ohm: 1000w 4ohm: 600w S1 Dimensions: 8.25"L x 7.6"W x 2.5"H 200a fuse for the power input suggested Free shipping in the continental USA.

Description Symphony S2 Full Range Class D Amplifier The new & improved Symphony amplifiers are packed with even more power density than the highly renowned originals! The S2 is rated for a total of 600w of clean RMS output! Efficient design only requires the use of 4 gauge power and ground cables. New Custom tooled Symphony heatsink optimized for uncompromising heat dissipation while keeping form factor at an all time low. Built in 18db/Slope crossover network grants precise adjustment of your system's needs and features LPF/HPF & Bandpass and allows the user to control the frequency points up to 8khz! All Symphony models utilize heavy copper traces in the Korean built boards, as well as top quality components used throughout. Input signal transfers cleanly to the board via the Tiffany style RCA input jacks. S2 Rated Power output @ 13.8v (RMS): 2ohm: 300w x2 4ohm: 190w x2 Bridged 4ohm: 600w S2 Dimensions: 7"L x 7.5"W x 2.5"H 60a fuse for the power input suggested Free shipping in the continental USA. Reviews 1 Review 5 Symphony S2 2 Channel Amplifier Posted by Isiah Green on Dec 24th 2025 I used this amp to power my 4 Deaf bounce Sylvester 6.5s. The power coming out of this amp is amazing. The speakers are enjoying the power. My only complaint is the manual doesn't come with amplifier specs.

Description Symphony S4 Full Range Class D Amplifier The new & improved Symphony amplifiers are packed with even more power density than the highly renowned originals! The S4 is rated for a total of 880w of clean RMS output! Efficient design only requires the use of 4 gauge power and ground cables. New Custom tooled Symphony heatsink optimized for uncompromising heat dissipation while keeping form factor at an all time low. Built in 18db/Slope crossover network grants precise adjustment of your system's needs and features LPF/HPF & Bandpass and allows the user to control the frequency points up to 8khz! 2ch/4ch selector switch (No RCA splitters will ever be needed) All Symphony models utilize heavy copper traces in the Korean built boards, as well as top quality components used throughout. Input signal transfers cleanly to the board via the Tiffany style RCA input jacks. S4 Rated Power output @ 13.8v (RMS): 2ohm: 220w x4 4ohm: 140w x4 Bridged 4ohm: 440w x2 S4 Dimensions: 8.5"L x 7.6"W x 2.5"H 80a to 100a fuse for the power input suggested Free shipping in the continental USA.

Description Symphony S6 Full Range Class D Amplifier Our engineers started designing an ideal 6 channel amplifier for today's car audio needs many months ago...this is the final product. A highly versatile, powerful 6 channel capable of running all the speakers and subs of the average daily vehicle, powering a high fidelity sound quality 3 way front stage, or driving some of our loudspeakers all while utilizing 3 different pairs of customizable signal outputs! The new & improved Symphony amplifiers are packed with even more power density than the highly renowned originals! The S6 is rated for over 1200w of clean total RMS output! Efficient design only requires the use of 4 gauge power and ground cables. New Custom tooled Symphony heatsink optimized for uncompromising heat dissipation while keeping form factor at an all time low. Built in 18db/Slope crossover network grants precise adjustment of your system's needs and features LPF/HPF & Bandpass and allows the user to control the frequency points up to 8khz! Fully defeat-able high pass and low pass filters for those who don't wish to use the onboard active crossovers (already using DSP). 2ch/4ch/6ch selector switch (No RCA splitters will ever be needed). All Symphony models utilize heavy copper traces in the Korean built boards, as well as top quality components used throughout. Input signal transfers cleanly to the board via the Tiffany style RCA input jacks. S6 Rated Power output @ 13.8v (RMS): Channels 1 through 4: 2ohm: 170w 4ohm: 100w channel 1/2 or 3/4 Bridged at 4ohm: 350w Channel 5 and 6: 2 ohm: 350w 4 ohm: 200w Bridged at 4ohm: 700w S4 Dimensions: 13.25"L x 7.6"W x 2.5"H 120 to 150a fuse for the power input suggested Free shipping in the continental USA.