The optional RUX-KNOB.2 remote bass control knob plugs right in to select Alpine amplifiers for quick direct subwoofer control to make bass adjustments on the fly.
The RUX-KNOB.2 is specifically designed as the controller for use with any of the following PDX Amplifiers: MRV-M1200, Mrv-M500, MRV-M250, PWA-S10V, KTP-190U, MRX-M50, MRX-M100, MRX-V60, PDX-M12, PDX-M6, PDR-M65, PDR-V75, PDX-V9, X-A70F (3 Channel Mode), X-A90V, and X-A90M.
From the Inside
With the RUX-KNOB.2, get full control over your Alpine 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).