alpine car audio


Alpine RUX-KNOB2 Remote Bass Subwoofer Level Control for X R S V PDX Series Amps

Alpine RUX-KNOB2 Remote Bass Subwoofer Level Control for X R S V PDX Series Amps

Remote Bass Knob

Remote subwoofer level control


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Product Information


The optional RUX-KNOB2 remote bass control knob plugs right in to the Alpine Amplifiers for quick direct subwoofer control to make bass adjustments on the fly.

Get full control over your amplifier, conveniently from inside the car. With the RUX-KNOB2 installed inside the vehicle cabin, easily adjust the bass gain of your amp while seated inside.

The RUX-KNOB2 comes with a 5 meter cable that simply plugs into your amplifier.

Rotary Control

The Alpine RUX-KNOB.2 is equipped with a rotary knob for adjustment of your connected amplifier's bass level. The remote has an adjustment range of 0 (max) to -20dB (min).


The RUX-KNOB.2 features two mounting flanges for mounting the knob on or under your dash. Four self-tapping screws are included.


  • Remote level controller for Alpine amplifiers
  • Mono amps
  • Sub channel of 5-channel amps
  • Bridged channels 3/4 of the X-A70F
  • adjusts gain from 0 to -12 dB
  • Multi-amp capable (standard phone cable splitter required — not included)
  • 16' connection cable


  • X Series: X-A70F, X-A90V, X-A90M
  • R Series R-A75M, R-A60F, R-A90S
  • PDX Series: PDX-M12, PDX-M6, PDX-V9
  • MRX Series: MRX-M55, MRX-M110, MRX-M240, MRX-M50, MRX-M100, MRX-M200, MRX-V60, MRX-V70
  • Power Pack Series: KTA-200M

Note: The RUX-KNOB.2 can be used with amplifiers that are compatible with the older RUX-KNOB.

What's Included

  • Alpine Remote Bass Level Control 
  • 5m connecting cable (RJ-14 plugs on both ends)
  • 4 Self-tapping screws

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