The optional RUX-KNOB.2 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.2 is specifically designed as the controller for use with mono amplifiers (including 4 Channel + mono).

From the Inside
With the RUX-KNOB.2, get full control over your mono amplifier, conveniently from inside the car. With the RUX-KNOB.2 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.2 controller - with the use of simple telephone cord adapters (which are readily available at many retailers).