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) - BLUE | 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 BLUE 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-BL-¥970.35 - ¥1,104.60 -
On Sale
DOWN4SOUND MM1004 (MINI MAXX) - ORANGE | 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 ORANGE 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-OR-¥970.35 - ¥1,104.60 -
On Sale
DOWN4SOUND MM1004 (MINI MAXX) - RED | 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 RED 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-RD-¥970.35 - ¥1,104.60 -
On Sale
DOWN4SOUND MM1004 (MINI MAXX) - GREEN | 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 GREEN 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-GR-¥970.35 - ¥1,104.60 -
On Sale
DOWN4SOUND JP 10.4 GREEN | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥4,852.03 - ¥5,523.53Down4Sound JP 10.4 GREEN Amplifier: 6000W 4 Channel Amplifier Step into the world of extreme audio power with the Down4Sound JP 10.4 GREEN. This 4 Channel Car Amplifier is not just powerful; it's a game-changer in the realm of car audio amplification...JP104-GR-¥4,852.03 - ¥5,523.53 -
On Sale
DOWN4SOUND JP34 AB PURPLE | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥1,427.02 - ¥1,762.74JP 34 CLASS AB Amplifier: 590W PLUS RMS 4 CHANNEL Amplifier The long-awaited return of the JP34AB is finally here, and it's better than ever. This amp is a rare piece of class AB greatness, and it's packed with features that will take your audio to the...JP34AB-PU-¥1,427.02 - ¥1,762.74