SEVEN EQUALISED BANDS ：7-band car audio graphic equaliser with built-in low pass (front, rear and subwoofer) and 7-band graphic equaliser (50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, 12KHz). NON-DETACHABLE INSTALLATION ：Car stereo EQ equaliser, front, rear and subwoofer outputs, mounting brackets and screws included for easy installation.
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