I have a pair of these but no power supply. I know it is 12v, and what polairty the power plug should be wired. But how beefy of a power supply do I need? If you have a set of these please look at your power supply and post what milliamps (ma) or amps (a) the power supply puts out. That way I can get the right size to handle the internal amp without paying for power output I don't need. Thanks-
Val
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