MARINE AMPLIFIERS
Marine Audio Amplifiers Built to Power Through Anything
Down4Sound marine audio amplifiers are engineered for boats, jet skis, UTVs, and off-road vehicles that live in harsh conditions and demand real power. These amps are fully sealed, conformal coated, and built to deliver clean, consistent output in heat, vibration, salt air, splash, and full sun no dropouts, no drama.
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DOWN4SOUND | M3 MARINE 8 RGB | 8" MARINE COAXIAL SPEAKER SET | 200W RMS EACH | 4 OHM
DOWN4SOUND
MSRP: $329.99$199.99The DOWN4SOUND M3-804 8-Inch 4-Ohm RGB Marine Coaxial Speakers are designed for powerful, high-output marine audio in boats, pontoons, wake boats, UTVs, side-by-sides, golf carts, and other powersports applications. The M3-804 is the 4-ohm version, with...M3-804MSRP: $329.99$199.99 -
DOWN4SOUND | M3 MARINE 8 RGB | 8" MARINE COAXIAL SPEAKER SET | 200W RMS EACH | 8 OHM
DOWN4SOUND
MSRP: $329.99$199.99DOWN4SOUND M3-808 8-Inch 8-Ohm RGB Marine Coaxial Speakers The DOWN4SOUND M3-808 is the 8-ohm version of the M3 Marine 8-inch RGB coaxial speaker. Designed for boats, pontoons, wake boats, UTVs, side-by-sides, golf carts, and powersports audio systems,...M3-808MSRP: $329.99$199.99Qty in Cart: 0Quantity:Price:MSRP: $329.99$199.99Subtotal: -
DOWN4SOUND | M3 MARINE 6.5 RGB | 6.5" MARINE COAXIAL SPEAKER SET | 175W RMS EACH | 8 OHM
DOWN4SOUND
MSRP: $329.99$169.99The DOWN4SOUND M3-658 6.5-Inch 8-Ohm RGB Marine Coaxial Speakers are built for high-output marine audio systems in boats, UTVs, side-by-sides, golf carts, and other powersports applications. The M3-658 is the 8-ohm version, with each 6.5-inch marine...M3-658MSRP: $329.99$169.99 -
DOWN4SOUND | M3 MARINE 6.5 RGB | 6.5" MARINE COAXIAL SPEAKER SET | 175W RMS EACH | 4 OHM
DOWN4SOUND
MSRP: $329.99$169.99The DOWN4SOUND M3-654 6.5-Inch 4-Ohm RGB Marine Coaxial Speakers are designed for high-output marine audio systems in boats, UTVs, side-by-sides, golf carts, and other powersports applications. The M3-654 is the 4-ohm version, with each speaker handling...M3-654MSRP: $329.99$169.99 -
DOWN4SOUND | M3-1004 (MARINE) - WHITE GLOSS | 700W RMS
DOWN4SOUND
$249.99 - $299.98DOWN4SOUND M3-1004 Marine & Powersports 4-Channel Amplifier – 700W RMS Class D (Gloss White) The DOWN4SOUND M3-1004 Marine & Off-Road Amplifier is a compact 4-channel Class D amplifier delivering 700 watts RMS of clean, efficient power for...M3-1004-WHG-$249.99 - $299.98 -
DOWN4SOUND | M3-1004 (MARINE) - BLACK GLOSS | 700W RMS
DOWN4SOUND
$249.99 - $299.98DOWN4SOUND M3-1004 Marine & Powersports 4-Channel Amplifier – 700W RMS Class D (Gloss Black) The DOWN4SOUND M3-1004 Marine & Off-Road Amplifier is a compact 4-channel Class D amplifier delivering 700 watts RMS of clean, efficient power for...M3-1004-BKG-$249.99 - $299.98 -
DOWN4SOUND | M3-1004 (MARINE) - ORANGE GLOW | 700W RMS
DOWN4SOUND
$249.99 - $299.98DOWN4SOUND M3-1004 Marine & Powersports 4-Channel Amplifier – 700W RMS Class D (Orange Glowtek) The DOWN4SOUND M3-1004 Marine & Off-Road Amplifier is a compact 4-channel Class D amplifier delivering 700 watts RMS of clean, efficient power...M3-1004-ORGL-$249.99 - $299.98 -
DOWN4SOUND | M3-1004 (MARINE) - GREEN GLOW | 700W RMS
DOWN4SOUND
$249.99 - $299.98DOWN4SOUND M3-1004 Marine & Powersports 4-Channel Amplifier – 700W RMS Class D (Green Glowtek) The DOWN4SOUND M3-1004 Marine & Off-Road Amplifier is a compact 4-channel Class D amplifier delivering 700 watts RMS of clean, efficient power...M3-1004-GRGL-$249.99 - $299.98 -
DOWN4SOUND | M3-1004 (MARINE) - BLUE GLOW | 700W RMS
DOWN4SOUND
$249.99 - $299.98DOWN4SOUND M3-1004 Marine & Powersports 4-Channel Amplifier – 700W RMS Class D (Blue Glowtek) The DOWN4SOUND M3-1004 Marine & Off-Road Amplifier is a compact 4-channel Class D amplifier delivering 700 watts RMS of clean, efficient power for...M3-1004-BLGL-$249.99 - $299.98 -
DOWN4SOUND | M3-1500 (MARINE) - WHITE GLOSS | 1500W RMS
DOWN4SOUND
$299.99 - $349.98DOWN4SOUND M3-1500 Marine & Powersports Monoblock Amplifier – 1500W RMS Class D (Gloss White) The DOWN4SOUND M3-1500 Marine & Off-Road Amplifier is a compact monoblock powerhouse delivering 1500 watts RMS of full-range Class D performance,...M3-1500-WHG-$299.99 - $349.98 -
DOWN4SOUND | M3-1500 (MARINE) - BLACK GLOSS | 1500W RMS
DOWN4SOUND
$299.99 - $349.98DOWN4SOUND M3-1500 Marine & Powersports Monoblock Amplifier – 1500W RMS Class D (Gloss Black) The DOWN4SOUND M3-1500 Marine & Off-Road Amplifier is a compact monoblock powerhouse delivering 1500 watts RMS of full-range Class D performance,...M3-1500-BKG-$299.99 - $349.98 -
DOWN4SOUND | M3-1500 (MARINE) - ORANGE GLOW | 1500W RMS
DOWN4SOUND
$299.99 - $349.98DOWN4SOUND M3-1500 Marine & Powersports Monoblock Amplifier – 1500W RMS Class D (Orange Glowtek) The DOWN4SOUND M3-1500 Marine & Off-Road Amplifier is a compact monoblock powerhouse delivering 1500 watts RMS of full-range Class D...M3-1500-ORGL-$299.99 - $349.98