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  • What size power supply (AC to DC converter) do I need for a car stereo?

    I am going to hook up a car stereo inside a weatherproof box on my deck and I need to find a power supply to run it. I want to find something that I can plug into the wall that will supply enough 12volt power to run the stereo.

    How many amps does it need to produce to avoid tripping the unit? Most of the ones I've seen at Radio Shack, etc., only produce about 10 amps. Is this enough? I am going to hook up 2 of the Bose indoor/outdoor speakers to it, and that's all.

    Any suggestions for a small, reasonable, power supply that will do the trick?

    6 AnswersCar Audio1 decade ago