DOWN4SOUND
Down4Sound offers high-performance car audio products including amplifiers, subwoofers, speakers, DSPs, batteries, wiring accessories, and installation gear.
Built for daily drivers, demo vehicles, marine systems, and competition audio builds, Down4Sound gives enthusiasts the core products needed to build louder, cleaner, and more reliable car audio systems.
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DOWN4SOUND | TCX 15" SUBWOOFER | 2700W RMS | D2
DOWN4SOUND
$949.99The DOWN4SOUND TCX 15” Subwoofer D2 is engineered for high-performance bass with long-lasting durability. Whether you’re building a street banger or a full demo wall, the TCX-15 D2 delivers aggressive output with clean, deep low-frequency...TCX15D2$949.99 -
DOWN4SOUND | TCX 18" SUBWOOFER | 2700W RMS | D1
DOWN4SOUND
$999.99The DOWN4SOUND TCX 18” Subwoofer D2 is built for extreme output, heavy power handling, and clean low-end delivery. Featuring a 3" 8-layer flat aluminum voice coil, carbon fiber cone, stitched high-roll surround, and an oversized 5-stack Y35 ferrite...TCX18D1$999.99 -
DOWN4SOUND | TCX 15" SUBWOOFER | 2700W RMS | D1
DOWN4SOUND
$949.99The DOWN4SOUND TCX 15” Subwoofer D1 is engineered for high-performance bass with long-lasting durability. Whether you’re building a street banger or a full demo wall, the TCX-15 D1 delivers aggressive output with clean, deep...TCX15D1$949.99 -
DOWN4SOUND | TCX 10" SUBWOOFER | 2700W RMS | D1
DOWN4SOUND
$849.99DOWN4SOUND TCX 10” Subwoofer D1 – 2700W RMS High-Output Car Audio Sub The DOWN4SOUND TCX 10” Subwoofer D1 is engineered for extreme output in tight spaces, delivering massive pressure with precise control. Designed for serious daily...TCX10D1$849.99 -
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