New Audiopipe EQ707X 7 Band Parametric Car Equalizer EQ w/Subwoofer Output New Audiopipe EQ-707X 7 Bands Panametric EQ with Subwoofer Output 7 Band Parametric: 50Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, 16KHz, 12.8KHz In-Dash Equalizer &amp; Pre-Amp. Adjustable Subwoofer Frequency: 60Hz-90Hz Adjustable Gain with up to 9V Output