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 JP154 - WHITE GLOSS | 1000W RMS 4CH CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96The DOWN4SOUND JP154 White Gloss is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi...JP154-WHG-$373.98 - $453.96 -
On Sale
DOWN4SOUND JP154 - TEAL | 1000W RMS 4CH CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96The DOWN4SOUND JP154 Teal is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi channel...JP154-TL-$373.98 - $453.96 -
On Sale
DOWN4SOUND JP154 - RED | 1000W RMS 4CH CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96The DOWN4SOUND JP154 Red is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi channel...JP154-RD-$373.98 - $453.96 -
On Sale
DOWN4SOUND JP154 - PURPLE | 1000W RMS CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96The DOWN4SOUND JP154 Purple is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi channel...JP154-PU-$373.98 - $453.96 -
On Sale
DOWN4SOUND JP154 - ORANGE | 1000W RMS 4CH CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96The DOWN4SOUND JP154 Orange is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi channel...JP154-OR-$373.98 - $453.96 -
On Sale
DOWN4SOUND JP154 - GREEN | 1000W RMS 4CH CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96The DOWN4SOUND JP154 Gray is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi channel...JP154-GR-$373.98 - $453.96 -
On Sale
DOWN4SOUND JP154 - GRAY | 1000W RMS 4CH CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96coming soonJP154-GY-$373.98 - $453.96 -
On Sale
DOWN4SOUND JP154 - CAMO | 1000W RMS 4CH CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96The DOWN4SOUND JP154 Camo is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi channel...JP154-CM-$373.98 - $453.96 -
On Sale
DOWN4SOUND JP154 - BLUE | 1000W RMS 4CH CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96The DOWN4SOUND JP154 Blue is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi channel...JP154-BL-$373.98 - $453.96 -
On Sale
DOWN4SOUND JP154 - BLACK GLOSS | 1000W RMS 4CH CAR AUDIO AMPLIFIER
Down4Sound
$373.98 - $453.96The DOWN4SOUND JP154 Gloss Black is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi...JP154-BKG-$373.98 - $453.96 -
On Sale
DOWN4SOUND MM1604 (MINI MAXX) - WHITE GLOSS | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: $699.98Now: $373.98Was: $439.98The DOWN4SOUND MM1604 Mini Maxx in White Gloss 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...MM1604-WHG-MSRP: $699.98Now: $373.98Was: $439.98 -
On Sale
DOWN4SOUND MM1604 (MINI MAXX) - TEAL | 600W RMS MINI 4CH CAR AUDIO AMPLIFIER
Down4Sound
MSRP: $699.98Now: $373.98Was: $439.98The DOWN4SOUND MM1604 Mini Maxx in Teal 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-TL-MSRP: $699.98Now: $373.98Was: $439.98