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 | JP454 CAMO | 4000W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$552.49 - $632.48JP454 - 4-Channel 4000W RMS Amplifier Discover Unparalleled Audio Quality: Experience superior audio performance with the JP 454 4-channel amplifier, featuring a 10Hz-21KHz frequency response and a...JP454-CM-$552.49 - $632.48 -
On Sale
DOWN4SOUND | JP154 - WHITE GLOSS | 1000W RMS | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98The 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...JP154-WHG-$220.99 - $260.98 -
On Sale
DOWN4SOUND | JP154 - TEAL | 1000W RMS | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98The 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...JP154-TL-$220.99 - $260.98 -
On Sale
DOWN4SOUND | JP154 - RED | 1000W RMS | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98The 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...JP154-RD-$220.99 - $260.98 -
On Sale
DOWN4SOUND | JP154 - PURPLE | 1000W RMS CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98The 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...JP154-PU-$220.99 - $260.98 -
On Sale
DOWN4SOUND | JP154 - ORANGE | 1000W RMS | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98The 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...JP154-OR-$220.99 - $260.98 -
On Sale
DOWN4SOUND | JP154 - GREEN | 1000W RMS | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98The 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...JP154-GR-$220.99 - $260.98 -
On Sale
DOWN4SOUND | JP154 - GRAY | 1000W RMS | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98coming soonJP154-GY-$220.99 - $260.98Qty in Cart: 0Quantity:Price:$220.99 - $260.98Subtotal: -
On Sale
DOWN4SOUND | JP154 - CAMO | 1000W RMS | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98The 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...JP154-CM-$220.99 - $260.98Qty in Cart: 0Quantity:Price:$220.99 - $260.98Subtotal: -
On Sale
DOWN4SOUND | JP154 - BLUE | 1000W RMS | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98The 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...JP154-BL-$220.99 - $260.98 -
On Sale
DOWN4SOUND | JP154 - BLACK GLOSS | 1000W RMS | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
$220.99 - $260.98The 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...JP154-BKG-$220.99 - $260.98 -
On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - WHITE GLOSS | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $349.99Now: $186.99Was: $219.99The 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...MM1604-WHG-MSRP: $349.99Now: $186.99Was: $219.99