Kicker 10ZXRC Remote Bass Control for Kicker ZX Amplifier Kicker Amplifier Remote Bass Control Allows the control of the amplifier's bass level, but from a remote location.The ZXRC is compatible with any KICKER amplifier equipped with a REMOTE BASS jack on its end panel (IX / ZX / KX / DX / ZXM) Compatible with select 2010 Kicker ZX Amps Easily mounts underneath a dash for an "out-of-sight" install Cable is 16.4 ft. (5m) long