The bad thing about the clean sweep is you have to sue the volume knob that comes with the unit. This means you set the volume on your head unit run the calibration and never touch the head unit volume again. This is bad because you wil no longer be able to use the steering wheel controls or the head unit volume controls, only use the volume know that you have to mount somewhere in the car. I would advise using the mtx re-q instead.
BTW these units are only made for installing new amps and speakers and not to be used with the stock equipment.
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