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Roberts Blutune T2 I accidently plugged in double the voltage for my radio and now it doesnt turn on what components are damaged

HuzzyFN that usually fries the power supply. You would have to take it apart to check on it. If you are lucky there might be some fuses on the board that may have blown. Can’t tell until we can see what’s going on. Post some pictures with your QUESTION Adding images to an existing question