ALPINE Remote subwoofer level control (RUXKNOB2)
The RUXKNOB2 remote level controller works with Alpine's PDX, MRV, and MRX Series mono amplifiers so you can manage your bass level from the front of your vehicle. The RUXKNOB2 adjusts your amp's level from its set maximum volume all the way down to virtually "off." Since it adjusts level and not "bass boost," you'll maintain the same bass tone as you turn the volume up and down. You can control multiple amplifiers with a single remote by adding a standard phone cable splitter (not included).