Alpine RUX-KNOB.2 Remote subwoofer level control blade Acoustic engineers like it for

Acoustic engineers like it for its ability to produce high-frequency sounds accurately

so you can enjoy your bass big and boomy or tight and precise

com/products/bmw-remote-start

requires a vehicle-specific T-harness (sold separately)

Alpine RUX-KNOB.2 Remote subwoofer level control blade Acoustic engineers like it forTweak the subwoofer volume from the driver's seat The RUX KNOB. 2 remote level controller works with Alpine's amplifiers so you can manage your bass level from the front of your vehicle. This handy little knob 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