How do I hook up a marine (boat) stereo and provide power using an AC Source?

I want to put a boat stereo in my outdoor barbecue island. I know that I need to convert AC power to DC power, with sufficient power to drive the speakers. I was planning to use a laptop power supply cord since that would have more power than a typical AC/DC converter. Will that work, and will I need to get some... show more I want to put a boat stereo in my outdoor barbecue island. I know that I need to convert AC power to DC power, with sufficient power to drive the speakers. I was planning to use a laptop power supply cord since that would have more power than a typical AC/DC converter. Will that work, and will I need to get some type of adapter to get that wiring to hook up to the stereo?
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