The optional HRC 02 remote bass control knob plugs right in to the Hertz 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 HRC 02 installed inside the vehicle cabin, easily adjust the bass gain of your amp while seated inside.

The HRC 02 comes with a 5 meter cable that simply plugs into your amplifier.