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Vehicle Fit Guide — We check fitment of speakers and radios. We can help you find what fits. Choose your car by clicking here.

Especially useful if you want to keep your factory radio since they do not have sub control. You could also use a bass knob for any aftermarket radios that do not have a sub output. Even if you did have sub output, it is so much easier to turn a knob instantly instead of going through your radio menu to access sub control. We recommend it with every sub amp install.

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