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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On Sale
DOWN4SOUND | M3 MARINE 8 WITH RGB LIGHTING | 8" MARINE COAXIAL SPEAKER SET | 200W RMS EACH | 4 OHM
DOWN4SOUND
MSRP: $275.01Now: $141.67Was: $166.67The DOWN4SOUND M3-84 8-Inch 4-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 M3-84...M3-804MSRP: $275.01Now: $141.67Was: $166.67 -
On Sale
DOWN4SOUND | M3 MARINE 8 WITH RGB LIGHTING | 8" MARINE COAXIAL SPEAKER SET | 200W RMS EACH | 8 OHM
DOWN4SOUND
MSRP: $275.01Now: $141.67Was: $166.67The DOWN4SOUND M3-808 8-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 M3-808...M3-808MSRP: $275.01Now: $141.67Was: $166.67 -
On Sale
DOWN4SOUND | M3 MARINE 6.5 WITH RGB LIGHTING | 6.5" MARINE COAXIAL SPEAKER SET | 175W RMS EACH | 8 OHM
DOWN4SOUND
MSRP: $275.01Now: $120.42Was: $141.67The 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...M3-658MSRP: $275.01Now: $120.42Was: $141.67 -
On Sale
DOWN4SOUND | M3 MARINE 6.5 WITH RGB LIGHTING | 6.5" MARINE COAXIAL SPEAKER SET | 175W RMS EACH | 4 OHM
DOWN4SOUND
MSRP: $275.01Now: $120.42Was: $141.67The DOWN4SOUND M3-658 6.5-Inch 4-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...M3-654MSRP: $275.01Now: $120.42Was: $141.67 -
On Sale
DOWN4SOUND | M3-1004 (MARINE) - WHITE GLOSS | 700W RMS
DOWN4SOUND
$177.09 - $218.75DOWN4SOUND 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...M3-1004-WHG-$177.09 - $218.75 -
On Sale
DOWN4SOUND | M3-1004 (MARINE) - BLACK GLOSS | 700W RMS
DOWN4SOUND
$177.09 - $218.75DOWN4SOUND 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...M3-1004-BKG-$177.09 - $218.75 -
On Sale
DOWN4SOUND | M3-1004 (MARINE) - ORANGE GLOW | 700W RMS
DOWN4SOUND
$177.09 - $218.75DOWN4SOUND 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...M3-1004-ORGL-$177.09 - $218.75 -
On Sale
DOWN4SOUND | M3-1004 (MARINE) - GREEN GLOW | 700W RMS
DOWN4SOUND
$177.09 - $218.75DOWN4SOUND 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...M3-1004-GRGL-$177.09 - $218.75 -
On Sale
DOWN4SOUND | M3-1004 (MARINE) - BLUE GLOW | 700W RMS
DOWN4SOUND
$177.09 - $218.75DOWN4SOUND 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...M3-1004-BLGL-$177.09 - $218.75 -
On Sale
DOWN4SOUND | M3-1500 (MARINE) - WHITE GLOSS | 1500W RMS
DOWN4SOUND
$212.51 - $254.17DOWN4SOUND 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...M3-1500-WHG-$212.51 - $254.17 -
On Sale
DOWN4SOUND | M3-1500 (MARINE) - BLACK GLOSS | 1500W RMS
DOWN4SOUND
$212.51 - $254.17DOWN4SOUND 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...M3-1500-BKG-$212.51 - $254.17 -
On Sale
DOWN4SOUND | M3-1500 (MARINE) - ORANGE GLOW | 1500W RMS
DOWN4SOUND
$212.51 - $254.17DOWN4SOUND 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...M3-1500-ORGL-$212.51 - $254.17