Alpine RUX-KNOB.2 Remote Bass Knob

Alpine RUX-KNOB.2 Remote Bass Knob The optional RUX-KNOB.2 remote bass control knob plugs right in to the X-A90M, X-A90V, MRX-M50, MRX-M100, MRX-V60, PDX-M12, PDX-M6, and PDX-V9 mono models for quick direct subwoofer control to make bass adjustments on the fly. It also allows control of channels 3 and 4 in bridged mode for a 3 channel system. 3 Channel bridged mode is only compatible with Alpine's X Series 4 Channel amplifier the X-A70F. Overview Compatible ModelsThe RUX-KNOB.2 is specifically designed as the controller for use with any of the following PDX Amplifiers: MRX-M50, MRX-M100, MRX-V60, PDX-M12, PDX-M6, PDX-V9 and X Series amplifiers. From the InsideWith the RUX-KNOB.2, get full control over your X-A90M, PDX-M6 or PDX-M12 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 ControlYes, there is a way to control multiple amps from just one RUX-KNOB.2 controll