SOUNDSTREAM MPQ-5XO .5 DIN 4-Band Car Stereo Equalizer Parametric EQ w/Crossover

Front, Rear, & Subwoofer RCA Outputs. Variable Subsonic Filter; 50-250Hz. Variable 18dB Bass Boost; 20-70Hz. 150-400Hz (Bass); 1.5-4kHz (Mid); 4-20kHz (High). IMPORTANT NOTE.

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