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Rockville R7EQ 1/2 DIN 7 Band Car Audio Equalizer EQ$44.95
Includes mounting brackets and screws for easy installation 7 adjustable bands of equalization (50Hz, 125Hz, 315Hz, 750Hz, 2. 2Khz, 6Khz and 12Khz). each band is adjustable from -18Db to +18Db Adjustable subwoofer frequency from 40Hz to 250Hz.
Subwoofer level controls and ...Includes mounting brackets and screws for easy installation 7 adjustable bands of equalization (50Hz, 125Hz, 315Hz, 750Hz, 2. 2Khz, 6Khz and 12Khz). each band is adjustable from -18Db to +18Db Adjustable subwoofer frequency from 40Hz to 250Hz.
Subwoofer level controls and subwoofer frequency cutoff controls (40-250 Hz) Built in 7 volt line driver. Blue LED lights on each rotary knob.