BRANDS

The 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,...

The 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...

The 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...

The 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...

DOWN4SOUND 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...

DOWN4SOUND 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...

The Down4Sound D4S AX5S 5 Way Digital Crossover is designed for car audio enthusiasts and professional installers who want precise system control without the complexity of software based DSP processors. Instead of relying on apps, laptops, or layered...

Down4Sound HiLoc7i Line Output Converter Stop fighting your factory radio. The Down4Sound HiLoc7i is built for clean, simple integration when adding aftermarket amplifiers to your factory system. Designed for real world installs, the HiLoc7i converts...

DOWN4SOUND 2-FEMALE TO 1-MALE RCA Y-ADAPTER / Y SPLITTER 1 Ft (12-inches) Y-Adapter RCA Interconnect Cable2-Female Input to 1-Male Outputs

The DOWN4SOUND TCX 12” Subwoofer D1 is precision-engineered for aggressive output and long-term durability. Featuring a 3" 8-layer flat aluminum voice coil, carbon fiber cone, stitched surround, and a massive 5-stack Y35 ferrite motor, it delivers...

The DOWN4SOUND TCX-12 D2 is engineered for extreme output, thermal efficiency, and structural control. Designed to thrive in high-current systems, this 12-inch subwoofer delivers a massive 2700W RMS while keeping the cone stable and the motor cool under...

The Z v.7 is the third step up in Sundown's 2025 "ultra-high excursion" sub-woofer lineup after the M and X v.4 series. All models (12,15,18) feature our custom tooled and patented frames (US Patent Numbers D691597, D691598, and D741841) –...