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...

The DOWN4SOUND TCX 10” Subwoofer D1 is built for tight spaces, big pressure, and maximum control. It features a 3-inch 8-layer flat aluminum voice coil, high-roll stitched surround, and a carbon fiber cone backed by a 5-stack Y35 ferrite motor...

Insure reliable electrical connections and prevent fraying and breaking of wire strands when terminating conductors in screw clamp terminal blocks. Uninsulated ferrules prevent wire strands from fraying and breaking and are extremely cost effective...

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...

The Down4Sound HiLoc7i 7-Channel Line Output Converter is the easiest way to add aftermarket amplifiers and subwoofers to your factory stereo. Engineered for clean integration, the HiLoc7i accepts your OEM high-level (speaker) signals and delivers strong...

The Down4Sound D4S XP28 DSP is built for full control of your car audio system. Designed for professional installers and competition-level sound systems, it delivers precise tuning and reliable performance without unnecessary complexity. With 2 inputs...

Take full command of your car audio system with the Down4Sound XPS610 DSP Processor. Designed for enthusiasts who want power and flexibility, the XPS610 gives you 6 switchable RCA/High-Level inputs and 10 RCA outputs, letting you build and fine-tune the...

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

Excessive Amperage 350a Alternator for a 2005 Honda Civic LX 1.7L      *** No refunds once order is placed as this is a totally custom built, one off unit *** 6-8 week build time Custom built to order , direct bolt on plug...

S Series The S series of 6 phase alternators offers incredible output in a compact and durable package. Highly efficient, these units use less horsepower per Kw of power produced than conventional 3 phase alternators. 12 diodes, twin rectifier plates...

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...