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 MM1604 (MINI MAXX) - RED | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: ﷼1,312.64﷼825.07The DOWN4SOUND MM1604 Mini Maxx in Red is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive mids and highs with authority, run active speaker...MM1604-RD-MSRP: ﷼1,312.64﷼825.07 -
DOWN4SOUND MM1604 (MINI MAXX) - PURPLE | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: ﷼1,312.64﷼825.07The DOWN4SOUND MM1604 Mini Maxx in Purple is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive mids and highs with authority, run active speaker...MM1604-PU-MSRP: ﷼1,312.64﷼825.07 -
DOWN4SOUND MM1604 (MINI MAXX) - ORANGE | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: ﷼1,312.64﷼825.07The DOWN4SOUND MM1604 Mini Maxx in Orange is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive mids and highs with authority, run active speaker...MM1604-OR-MSRP: ﷼1,312.64﷼825.07 -
DOWN4SOUND MM1604 (MINI MAXX) - GREEN | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: ﷼1,312.64﷼825.07The DOWN4SOUND MM1604 Mini Maxx in Green is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive mids and highs with authority, run active speaker...MM1604-GR-MSRP: ﷼1,312.64﷼825.07 -
DOWN4SOUND MM1604 (MINI MAXX) - GRAY | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: ﷼1,312.64﷼825.07The DOWN4SOUND MM1604 Mini Maxx in Gray is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive mids and highs with authority, run active speaker...MM1604-GY-MSRP: ﷼1,312.64﷼825.07 -
DOWN4SOUND MM1604 (MINI MAXX) - CAMO | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: ﷼1,312.64﷼825.07The DOWN4SOUND MM1604 Mini Maxx Camo is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive mids and highs with authority, run active speaker setups,...MM1604-CM-MSRP: ﷼1,312.64﷼825.07 -
DOWN4SOUND MM1604 (MINI MAXX) - BLUE | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: ﷼1,312.64﷼825.07The DOWN4SOUND MM1604 Mini Maxx in Blue is a compact 4 channel full range Class D car audio amplifier delivering 600W RMS of clean, efficient power for modern performance systems. Designed for clean installations and performance builds, the MM1604 Mini...MM1604-BL-MSRP: ﷼1,312.64﷼825.07 -
DOWN4SOUND MM1604 (MINI MAXX) - BLACK GLOSS | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: ﷼1,312.64﷼825.07The DOWN4SOUND MM1604 Mini Maxx in Black Gloss is a compact 4 channel full range Class D car audio amplifier delivering 600W RMS of clean, efficient power for modern performance systems. Designed for clean installations and performance builds, the...MM1604-BKG-MSRP: ﷼1,312.64﷼825.07 -
On Sale
DOWN4SOUND JP34 AB CAMO | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
﷼796.94 - ﷼984.43*Disclaimer - This amplifier has been hydro dipped and may exhibit imperfections, as the design is not applied through painting.* Introducing the JP 34 CAMO CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated...JP34AB-CM-﷼796.94 - ﷼984.43 -
On Sale
DOWN4SOUND JP284 - CAMO | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
﷼1,211.37 - ﷼1,398.86*Disclaimer - This amplifier has been hydro dipped and may exhibit imperfections, as the design is not applied through painting.* Introducing the JP 284 CAMO CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 CAMO is...JP284-CM-﷼1,211.37 - ﷼1,398.86 -
On Sale
DOWN4SOUND MM1004 (MINI MAXX) - BLACK GLOSS | 700W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
﷼541.91 - ﷼616.88Unleash 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-﷼541.91 - ﷼616.88 -
On Sale
DOWN4SOUND MM1004 (MINI MAXX) - TEAL | 700W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound
﷼541.91 - ﷼616.88Unleash 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-﷼541.91 - ﷼616.88