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 MM1004 (MINI MAXX) - BLACK GLOSS | 700W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
¥970.35 - ¥1,104.60Unleash the sound of music to it full potential with the MM1004 a BLACK GLOSS MINI 4-Channel Amplifier Designed to be compact with band-passable crossovers X1 & X10, this dynamic amplifier allows you to run mids and highs on one channel and bass on...MM1004-BKG-¥970.35 - ¥1,104.60 -
On Sale
DOWN4SOUND MM1004 (MINI MAXX) - TEAL | 700W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
¥970.35 - ¥1,104.60Unleash the sound of music to it full potential with the MM1004 a TEAL MINI 4-Channel Amplifier Designed to be compact with band-passable crossovers X1 & X10, this dynamic amplifier allows you to run mids and highs on one channel and bass on the...MM1004-TL-¥970.35 - ¥1,104.60 -
On Sale
DOWN4SOUND JP284 - BLACK GLOSS | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
MSRP: ¥3,357.78Now: ¥2,169.10Was: ¥2,551.90Introducing 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-MSRP: ¥3,357.78Now: ¥2,169.10Was: ¥2,551.90Qty in Cart: 0Quantity:Price:MSRP: ¥3,357.78Now: ¥2,169.10Was: ¥2,551.90Subtotal: -
On Sale
DOWN4SOUND JP284 - WHITE GLOSS | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
MSRP: ¥3,357.78Now: ¥2,169.10Was: ¥2,551.90Introducing 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-MSRP: ¥3,357.78Now: ¥2,169.10Was: ¥2,551.90Qty in Cart: 0Quantity:Price:MSRP: ¥3,357.78Now: ¥2,169.10Was: ¥2,551.90Subtotal: -
On Sale
DOWN4SOUND JP34 AB WHITE GLOSS | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥1,427.02 - ¥1,762.74Introducing 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-¥1,427.02 - ¥1,762.74 -
On Sale
DOWN4SOUND JP34 AB BLACK GLOSS | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥1,427.02 - ¥1,762.74Introducing 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-¥1,427.02 - ¥1,762.74 -
On Sale
DOWN4SOUND JP454 BLACK GLOSS | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥3,710.36 - ¥4,247.55Down4Sound 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-¥3,710.36 - ¥4,247.55 -
On Sale
DOWN4SOUND JP 10.4 BLACK GLOSS | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥4,852.03 - ¥5,523.53Down4Sound 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-¥4,852.03 - ¥5,523.53 -
On Sale
DOWN4SOUND MM1004 (MINI MAXX) - WHITE GLOSS | 700W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: ¥1,746.01Now: ¥970.35Was: ¥1,141.60Elevate your audio experience with the DOWN4SOUND MM1004 (MINI MAXX) in GLOSS WHITE - a 700W RMS Mini 4-Channel Car Audio Amplifier. This compact and versatile amplifier, finished in a sophisticated Gloss White, is expertly designed...MM1004-WHG-MSRP: ¥1,746.01Now: ¥970.35Was: ¥1,141.60Qty in Cart: 0Quantity:Price:MSRP: ¥1,746.01Now: ¥970.35Was: ¥1,141.60Subtotal: -
On Sale
DOWN4SOUND MM504 (MINI MAXX) - TEAL | 300W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
¥579.16 - ¥847.66Introducing 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-¥579.16 - ¥847.66 -
On Sale
DOWN4SOUND JP234 - TEAL | 2000W 4CH AMPLIFIER
Down4Sound
¥1,712.44 - ¥2,048.15Introducing 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-¥1,712.44 - ¥2,048.15Qty in Cart: 0Quantity:Price:¥1,712.44 - ¥2,048.15Subtotal: -
On Sale
DOWN4SOUND JP284 - TEAL | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
MSRP: ¥3,357.78Now: ¥2,169.10Was: ¥2,551.90Introducing the JP 284 TEAL CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 TEAL 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-TL-MSRP: ¥3,357.78Now: ¥2,169.10Was: ¥2,551.90Qty in Cart: 0Quantity:Price:MSRP: ¥3,357.78Now: ¥2,169.10Was: ¥2,551.90Subtotal: