Rockford PEQ Punch Equalization Remote<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Remote wired bass/treble boost</li><li>0dB to +18dB bass boost @ 45 Hz</li><li>0dB to +12dB treble boost @ 12.5 kHz</li><li>Bass/Treble filtering based upon in-board amplifier crossover setting (HP-LP-AP)</li><li>Includes bass knob， cable， mounting clip， mounting screws</li></ul></div><img src="http://ecx.images-amazon.com/images/I/416ByTHuZYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41oQ8yAcxiL.jpg" noproxy>