Use Hertz car stereo remote controls from OnlineCarStereo.com to run your music player from wherever is most convenient. Their basic bass management knob connects directly to the mono amplifier so you can set levels independently. A digital stereo remote control also allows for source selection, track skipping, balance adjustments and many other functions. Install Hertz audio remote controllers in the car’s back seat, a boat cabin or wherever else they’re needed. We back them with a 60-day satisfaction guarantee.