The DOWN4SOUND Bass Max Pro Blue is a bass restoration processor designed to recover lost low-frequency content and restore deeper, more powerful bass in car audio systems. Many factory radios, streaming sources, and compressed music formats reduce bass...

The DOWN4SOUND HI-LOW 2i is a compact 2-channel high-to-low line output converter designed to integrate factory audio systems with aftermarket amplifiers. It converts high-level speaker signals from an OEM head unit into a clean low-level RCA output,...

These are our in-line crossovers designed for the UN1 and other compression drivers. Designed with a 3.5khz High pass 12db/oct slope, they are a perfect match to get the most out of your UN1's Available in 8 ohm only 1...

The DOWN4SOUND EZY-SS1 White Gloss is a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. Acting as both a pre-amp crossover controller and advanced RCA distribution device, the...

The DOWN4SOUND EZY-SS1 Gloss Black is a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. Acting as both a pre-amp crossover controller and advanced RCA distribution device, the...

The DOWN4SOUND EZY-SS1 Teal is a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. Acting as both a pre-amp crossover controller and advanced RCA distribution device, the EZY-SS1...

The DOWN4SOUND EZY-SS1 Red is a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. Acting as both a pre-amp crossover controller and advanced RCA distribution device, the EZY-SS1...

The DOWN4SOUND EZY-SS1 Purple is a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. Acting as both a pre-amp crossover controller and advanced RCA distribution device, the EZY-SS1...

The DOWN4SOUND EZY-SS1 Orange is a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. Acting as both a pre-amp crossover controller and advanced RCA distribution device, the EZY-SS1...

The DOWN4SOUND EZY-SS1 Green is a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. Acting as both a pre-amp crossover controller and advanced RCA distribution device, the EZY-SS1...

The DOWN4SOUND EZY-SS1 Gray is a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. Acting as both a pre-amp crossover controller and advanced RCA distribution device, the EZY-SS1...

The DOWN4SOUND EZY-SS1 Blue is a multi amp sync and strap controller designed to simplify signal distribution and tuning in high-power car audio systems. Acting as both a pre-amp crossover controller and advanced RCA distribution device, the EZY-SS1...