DESC: 12 band Graphic Equalizer Separate Front & Rear Equalization Settings 5 Band Front Equalizer Settings 7 Band Rear Equalizer Settings Fader Slide Sub-Woofer Boost Control w/ Active Electronic Adjustable Crossover Fader Slide Control Compact 1/2 Din Chassis Size Front Panel CD Input Jack 6 RCA Signal Output Ports (2 Front/2Rear/2 Subwoofer) CD Input Jack Electronic Crossover Adjustable to 80, 120 or 160 Hz @ 12dB Octave 2nd Order Butterworth Circuit Front Frequency. Controls w/10dB Boost at 150Hz,400Hz,1KHz,2.4Hz,10KHz Rear Frequency. Controls w/12dB Boost at 60Hz,150Hz,400Hz,1KHz,2.4KHz,15KHz Frequency Response: 20Hz-20kHz S/N Ratio: >90dB (A-Weighted)