Xtenzi Amplificatore Manopola Volume Basso Telecomando XTBR6 per Amplificatore XThunder Link
XThunder Link. Xtenzi Remote Bass Knob. Allows you to adjust your Bass Level quickly and in the Most Ideal Location, easily mounts underneath a dash for an "out-of-sight' install or simple 1-wire connection gets you up and running in a flash.