Sounds ok for a radio and 2 small speakers. Plugging your phone into USB doesn't actually charge the phone but plays it from the stick (in my experience many radios don't charge the phone). If you are mounting it on thin material, unscrew the wire clamp as in my picture. I would say the big downside is that there is no remote turn on while the amp is running so you need a separate switch to turn the amp on and off.
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