7-Band Car Audio Equalizer, Adjustable EQ Car Amplifier Graphic Equalizer with CD/AUX Input Select Switch 7 Band Car Audio Equalizer EQ 8 Volt Output Line Driver AUX & CD Selectable RCA Connector Inputs Front, Rear & Subwoofer RCA Connector Outputs 7 Adjustable Bands (50Hz,125Hz, 315Hz, 750Hz,, 6KHz and 12KHz) Each band is adjustable from -12dB to +12dB Adjustable subwoofer frequency from 30Hz to 120Hz.
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