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 MM504 (MINI MAXX) - ORANGE | 300W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
$U3,270,73 - $U3,939,67Introducing the DOWN4SOUND MM504 (MINI MAXX) in Orange - a sleek and potent 300W RMS 4-Channel Car Audio Amplifier. This elegantly designed compact amplifier is engineered to deliver superior audio performance in a small footprint, making it a perfect...MM504-OR-$U3,270,73 - $U3,939,67 -
On Sale
DOWN4SOUND MM504 (MINI MAXX) - GREEN | 300W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
$U3,270,73 - $U3,939,67Introducing the DOWN4SOUND MM504 (MINI MAXX) in Green - a sleek and potent 500W RMS 4-Channel Car Audio Amplifier. This elegantly designed compact amplifier is engineered to deliver superior audio performance in a small footprint, making it a perfect...MM504-GR-$U3,270,73 - $U3,939,67 -
On Sale
DOWN4SOUND MM504 (MINI MAXX) - BLUE | 300W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
$U3,270,73 - $U3,939,67Introducing the DOWN4SOUND MM504 (MINI MAXX) in Blue - a sleek and potent 300W RMS 4-Channel Car Audio Amplifier. This elegantly designed compact amplifier is engineered to deliver superior audio performance in a small footprint, making it a perfect...MM504-BL-$U3,270,73 - $U3,939,67 -
On Sale
DOWN4SOUND MM504 (MINI MAXX) - BLACK | 300W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
$U2,885,90 - $U3,554,84Introducing the DOWN4SOUND MM504 (MINI MAXX) in Black - a compact yet powerful 300W RMS 4-Channel Car Audio Amplifier. This sleek and efficient amplifier is designed to deliver exceptional audio performance in a small package, making it perfect for car...MM504-BK-$U2,885,90 - $U3,554,84 -
On Sale
DOWN4SOUND JP 10.4 TITANIUM | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$U24,177,12 - $U27,523,14Down4Sound JP 10.4 TITANIUM Amplifier: 6000W 4 Channel Amplifier Unleash unparalleled audio power with the Down4Sound JP 10.4 TITANIUM. This 4 Channel Car Amplifier is a marvel in the world of car audio, boasting an impressive 6000W output. Designed for...JP104-TI-$U24,177,12 - $U27,523,14 -
On Sale
DOWN4SOUND JP 10.4 ORANGE | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$U24,177,12 - $U27,523,14Down4Sound JP 10.4 ORANGE Amplifier: 6000W 4 Channel Amplifier Experience the ultimate sound revolution with the Down4Sound JP 10.4 ORANGE. This 4 Channel Car Amplifier is a powerhouse of audio performance, delivering a staggering 6000W output. Crafted...JP104-OR-$U24,177,12 - $U27,523,14 -
On Sale
DOWN4SOUND JP 10.4 PURPLE | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$U24,177,12 - $U27,523,14Down4Sound JP 10.4 PURPLE Amplifier: 6000W 4 Channel Amplifier Unleash the power of sound with the Down4Sound JP 10.4 PURPLE. This 4 Channel Car Amplifier is a marvel in audio engineering, boasting a massive 6000W output. Designed for the discerning...JP104-PU-$U24,177,12 - $U27,523,14 -
On Sale
DOWN4SOUND JP 10.4 WHITE GLOSS | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$U24,177,12 - $U27,523,14Down4Sound JP 10.4 WHITE Amplifier: 6000W 4 Channel Amplifier Experience unparalleled audio power with the Down4Sound JP 10.4 WHITE. This 4 Channel Car Amplifier is a powerhouse of performance, delivering an impressive 6000W output. Tailored for...JP104-WHG-$U24,177,12 - $U27,523,14 -
On Sale
DOWN4SOUND JP 10.4 RED | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$U24,177,12 - $U27,523,14Down4Sound JP 10.4 RED Amplifier: 6000W 4 Channel Amplifier Unleash the power of your car audio with the Down4Sound JP 10.4 RED. This 4 Channel Car Amplifier is a force to be reckoned with, boasting a formidable 6000W output. Designed for audiophiles and...JP104-RD-$U24,177,12 - $U27,523,14 -
On Sale
DOWN4SOUND JP 10.4 BLUE | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$U24,177,12 - $U27,523,14Down4Sound JP 10.4 BLUE Amplifier: 6000W 4 Channel Amplifier Elevate your car audio experience with the Down4Sound JP 10.4 BLUE. This 4 Channel Car Amplifier is a powerhouse of sound, delivering a massive 6000W output. It's designed for those who seek...JP104-BL-$U24,177,12 - $U27,523,14 -
On Sale
DOWN4SOUND JP454 RED | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$U18,488,30 - $U21,165,06Down4Sound JP454 RED Amplifier: 4000W RMS - 4 Channel Amplifier Step into a realm of superior audio with the Down4Sound JP454 RED. This 4-channel amplifier is a marvel of sound engineering, designed not just for power but for an immersive, high-fidelity...JP454-RD-$U18,488,30 - $U21,165,06 -
On Sale
DOWN4SOUND JP454 ORANGE | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
$U18,488,30 - $U21,165,06Down4Sound JP454 ORANGE Amplifier: 4000W RMS - 4 Channel Amplifier Step into a realm of superior audio with the Down4Sound JP454 ORANGE. This 4-channel amplifier is a marvel of sound engineering, designed not just for power but for an immersive,...JP454-OR-$U18,488,30 - $U21,165,06