I have four Rockford Fosgate amplifiers in my car & my lights dim when the bass hits. Do I need a bigger alternator?

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I have four Rockford Fosgate amplifiers in my car & my lights dim when the bass hits. Do I need a bigger alternator?

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Most likely the answer is no. If you listen to music with the engine running, all that is necessary is a Punch Cap(s). The Punch Cap will store energy and deliver it when the system needs it. About 1 farad of capacitance per 1000 watts should take care of the dimming lights, and give you harder hitting bass as well.

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