2) NEW Rockford Fosgate PEQ Wired Remote Bass and Treble Knob EQ for Punch Amps Remote wired bass and treble boost 0dB to +18dB bass boost @ 45Hz. 0dB to +12dB treble boost with hinge filter between 1kHz and 20kHz. Includes: remote knob, cable, mounting clip, and mounting screws Designed for 2007 and newer compatible amplifiers