4 CHANNEL
Down4Sound 4 channel amplifiers are among the most popular car audio amplifiers on the market. They are available in various power levels, from 400W up to 6000W. Our 4 channel amplifiers are offered in Class D or Class AB technology, and all of them can produce more power than their advertised ratings. 3rd party 4-channel amplifier review & dyno videos are available within each listing, so you can see how much power these amplifiers can produce. When choosing a four channel amplifier for your car audio system, the sky is truly the limit.
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On Sale
DOWN4SOUND JP284 - BLACK GLOSS | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
$322.99 - $372.98Introducing the JP 284 BLACK GLOSS CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 BLACK GLOSS is here, setting new standards in car audio amplification. This Class D amplifier is not only a testament to power but also to...JP284-BKG-$322.99 - $372.98 -
On Sale
DOWN4SOUND MM1004 (MINI MAXX) - CAMO | 700W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
$144.49 - $164.48*Disclaimer - This amplifier has been hydro dipped and may exhibit imperfections, as the design is not applied through painting.* Elevate your audio experience with the DOWN4SOUND...MM1004-CM-$144.49 - $164.48 -
On Sale
DOWN4SOUND MM504 (MINI MAXX) - CAMO | 300W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
$97.74 - $117.73*Disclaimer - This amplifier has been hydro dipped and may exhibit imperfections, as the design is not applied through painting.* Introducing the DOWN4SOUND MM504 (MINI MAXX) in CAMO A sleek and potent...MM504-CM-$97.74 - $117.73 -
On Sale
DOWN4SOUND JP234 - CAMO | 2000W 4CH AMPLIFIER
Down4Sound
$254.99 - $304.98*Disclaimer - This amplifier has been hydro dipped and may exhibit imperfections, as the design is not applied through painting.* Introducing the Down4Sound JP234 4-Channel Amplifier Your key to...JP234-CM-$254.99 - $304.98 -
On Sale
DOWN4SOUND JP84 - CAMO | 400W RMS 4CH AMPLIFIER
Down4Sound
$135.99 - $165.98*Disclaimer - This amplifier has been hydro dipped and may exhibit imperfections, as the design is not applied through painting.* Introducing the Down4Sound JP84 CAMO 4-Channel Amplifier - a...JP84-CM-$135.99 - $165.98 -
On Sale
DOWN4SOUND JP284 - WHITE GLOSS | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
$322.99 - $372.98Introducing the JP 284 WHITE GLOSS CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 WHITE SILVER is here, setting new standards in car audio amplification. This Class D amplifier is not only a testament to power but also to...JP284-WHG-$322.99 - $372.98 -
On Sale
DOWN4SOUND JP34 AB WHITE GLOSS | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$212.49 - $262.48Introducing the JP 34 WHITE GLOSS CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB WHITE GLOSS has made its triumphant return, now more refined and powerful than before. This Class AB amplifier stands out not just...JP34AB-WHG-$212.49 - $262.48 -
On Sale
DOWN4SOUND JP34 AB BLACK GLOSS | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$212.49 - $262.48Introducing the JP 34 BLACK GLOSSCLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB BLACK GLOSShas made its triumphant return, now more refined and powerful than before. This Class AB amplifier stands out not just for...JP34AB-BKG-$212.49 - $262.48 -
On Sale
DOWN4SOUND JP454 BLACK GLOSS | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$552.49 - $632.48Down4Sound JP454 BLACK GLOSS Amplifier: 4000W RMS - 4 Channel Amplifier Step into a new dimension of audio excellence with the Down4Sound JP454 BLACK, a 4-channel amplifier that sets a new standard in sound quality. This amplifier is not just about...JP454-BKG-$552.49 - $632.48Qty in Cart: 0Quantity:Price:$552.49 - $632.48Subtotal: -
On Sale
DOWN4SOUND JP 10.4 BLACK GLOSS | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$722.49 - $822.48Down4Sound JP 10.4 BLACK GLOSS Amplifier: 6000W 4 Channel Amplifier Experience unparalleled audio power with the Down4Sound JP 10.4 BLACK GLOSS. This 4 Channel Car Amplifier is a powerhouse of performance, delivering an impressive 6000W output...JP104-BKG-$722.49 - $822.48 -
On Sale
DOWN4SOUND MM504 (MINI MAXX) - TEAL | 300W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
$97.74 - $137.72Introducing the DOWN4SOUND MM504 (MINI MAXX) in Teal A sleek and potent 300W RMS 4-Channel Car Audio Amplifier. This elegantly designed compact amplifier is engineered to deliver superior audio performance in a small footprint, making it a perfect...MM504-TL-$97.74 - $137.72 -
On Sale
DOWN4SOUND JP234 - TEAL | 2000W 4CH AMPLIFIER
Down4Sound
$254.99 - $304.98Introducing the Down4Sound JP234 4-Channel Amplifier Your key to an enhanced and immersive car audio experience. Boasting a robust 2000W of power, this amplifier is crafted to take your audio journey to new heights. As a full-range digital multi-channel...JP234-TL-$254.99 - $304.98