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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DOWN4SOUND | MM504 (MINI MAXX) - GREEN | 300W RMS MINI | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$114.99 - $134.98Introducing the DOWN4SOUND MM504 (MINI MAXX) in Green - a sleek and potent 500W 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-GR-$114.99 - $134.98 -
On Sale
DOWN4SOUND | JP454 ORANGE | 4000W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$552.49 - $632.48Down4Sound JP454 ORANGE Amplifier: 4000W RMS - 4 Channel Amplifier Step into a realm of superior audio with the Down4Sound JP454 ORANGE. This 4-channel amplifier is a marvel of sound engineering, designed not just for power but for an immersive,...JP454-OR-$552.49 - $632.48Qty in Cart: 0Quantity:Price:$552.49 - $632.48Subtotal: -
On Sale
DOWN4SOUND | JP454 WHITE GLOSS | 4000W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$552.49 - $632.48Down4Sound JP454 WHITE Amplifier: 4000W RMS - 4 Channel Amplifier Immerse yourself in a world of exceptional audio with the Down4Sound JP454 WHITE. This 4-channel amplifier is a testament to superior sound engineering, crafted not just for delivering...JP454-WHG-$552.49 - $632.48 -
On Sale
DOWN4SOUND | JP454 BLUE | 4000W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$552.49 - $632.48Down4Sound JP454 BLUE Amplifier: 4000W RMS - 4 Channel Amplifier Embark on an unparalleled audio journey with the Down4Sound JP454 PURPLE, a 4-channel amplifier that epitomizes audio perfection. This amplifier isn't just about delivering power; it's...JP454-BL-$552.49 - $632.48 -
DOWN4SOUND | JP284 - GRAY | 3000W | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$399.99 - $449.98Introducing the JP 284 GRAY CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 GRAY is here, setting new standards in car audio amplification. This Class D amplifier is not only a testament to power but also to precision,...JP284-GY-$399.99 - $449.98Qty in Cart: 0Quantity:Price:$399.99 - $449.98Subtotal: -
DOWN4SOUND | JP284 - BLUE | 3000W | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$399.99 - $449.98Introducing the JP 284 BLUE CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 BLUE is here, setting new standards in car audio amplification. This Class D amplifier is not only a testament to power but also to precision,...JP284-BL-$399.99 - $449.98 -
On Sale
DOWN4SOUND | JP34 AB BLACK | 590W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$237.99 - $287.98Introducing the JP 34 BLACK CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB BLACK has made its triumphant return, now more refined and powerful than before. This Class AB amplifier stands out not just for its rarity...JP34AB-BK-$237.99 - $287.98 -
On Sale
DOWN4SOUND | JP34 AB GRAY | 590W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$237.99 - $287.98Introducing the JP 34 GRAY CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB GRAY has made its triumphant return, now more refined and powerful than before. This Class AB amplifier stands out not just for its rarity...JP34AB-GY-$237.99 - $287.98 -
DOWN4SOUND | JP234 - BLUE | 2000W | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$329.99 - $379.98Introducing the Down4Sound JP234 BLUE 4-Channel Amplifier - your gateway to powerful and immersive car audio. With 2000W of power, this amplifier is designed to elevate your audio experience to the next level. The full-range digital multi-channel...JP234-BL-$329.99 - $379.98Qty in Cart: 0Quantity:Price:$329.99 - $379.98Subtotal: -
DOWN4SOUND | JP234 - RED | 2000W | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$329.99 - $379.98Introducing the Down4Sound JP234 RED 4-Channel Amplifier - your gateway to powerful and immersive car audio. With 2000W of power, this amplifier is designed to elevate your audio experience to the next level. The full-range digital multi-channel...JP234-RD-$329.99 - $379.98Qty in Cart: 0Quantity:Price:$329.99 - $379.98Subtotal: -
On Sale
DOWN4SOUND | JP84 - ORANGE | 400W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$152.99 - $182.98Introducing the Down4Sound JP84 ORANGE 4-Channel Amplifier - a powerhouse that delivers 400W RMS power to transform your car audio system. Engineered to perfection, this full-range digital multi-channel amplifier offers stability into 2 ohms stereo or 4...JP84-OR-$152.99 - $182.98 -
On Sale
DOWN4SOUND | JP84 - RED | 400W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$152.99 - $182.98Introducing the Down4Sound JP84 RED 4-Channel Amplifier - a powerhouse that delivers 400W RMS power to transform your car audio system. Engineered to perfection, this full-range digital multi-channel amplifier offers stability into 2 ohms stereo or 4...JP84-RD-$152.99 - $182.98