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PowerBass AEQ-4XOA 4 Band Equalizer/Pre-Amp$55.00
The PowerBass AEQ-4XOA Equalizer/Pre-amp will provide 4-band equalization and sound customization. It features a frequency response of 20Hz-40kHz and selectable 120/80Hz Subwoofer Crossover. It also comes with a Subwoofer Volume Control, Master Volume Control, front and rear faders and three inputs (front AUX, rear AUX and rear CD).