Alpine RUX-KNOB bass controller

The optional RUX-KNOB remote bass control knob plugs right into mono amplifier models for quick, direct subwoofer control to make bass adjustments on the fly. Compatible Models The RUX-KNOB is specifically designed as the controller for use with mono amplifiers (including 4 Channel + mono). From the Inside With the RUX-KNOB, get full control over your mono amplifier, conveniently from inside the car. With the RUX-KNOB installed inside the vehicle cabin, easily adjust the bass gain of your amp while seated inside. Multiple Amp Control Yes, there is a way to control multiple amps from just one RUX-KNOB controller. Talk to us about the custom loom required for this.