MARINE AUDIO
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Marine Audio Built for Boats. Tuned by Down4Sound.
Waterproof. Saltproof. Loud AF. Our marine audio systems are made to survive the elements and still hit hard. Whether you’re ripping waves or parked at the dock, this gear delivers clean highs and deep bass — rain or shine.
What is marine audio — and where can it be used?
Marine audio is built for anything that gets wet, loud, or wild. Jet ski? ✅ Boat? ✅ Jeep? ✅ Side-by-side? ✅ Motorcycle? ✅ RV? ✅ If it moves, shakes, or splashes — this gear fits.
Shop speakers, amps, subs and full systems made for outdoor power and all-day performance. Tested in real-world conditions. Trusted by serious riders. Scroll up and build your setup today.
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On Sale
DOWN4SOUND M3-1500 (MARINE) - BLACK GLOSS | 1500W RMS
Down4Sound
฿8,066.10 - ฿9,647.43DOWN4SOUND 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-฿8,066.10 - ฿9,647.43 -
On Sale
DOWN4SOUND M3-1500 (MARINE) - BLUE GLOW | 1500W RMS
Down4Sound
฿8,066.10 - ฿9,647.43DOWN4SOUND M3-1500 Marine & Powersports Monoblock Amplifier – 1500W RMS Class D (Blue 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-BLGL-฿8,066.10 - ฿9,647.43 -
On Sale
DOWN4SOUND M3-1500 (MARINE) - GREEN GLOW | 1500W RMS
Down4Sound
฿8,066.10 - ฿9,647.43DOWN4SOUND M3-1500 Marine & Powersports Monoblock Amplifier – 1500W RMS Class D (Green 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-GRGL-฿8,066.10 - ฿9,647.43 -
On Sale
DOWN4SOUND M3-1500 (MARINE) - ORANGE GLOW | 1500W RMS
Down4Sound
฿8,066.10 - ฿9,647.43DOWN4SOUND 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-฿8,066.10 - ฿9,647.43 -
On Sale
DOWN4SOUND M3-1500 (MARINE) - WHITE GLOSS | 1500W RMS
Down4Sound
฿8,066.10 - ฿9,647.43DOWN4SOUND 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-฿8,066.10 - ฿9,647.43