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we bought a sound bar by sound we charged it overnigt like it said and it keeps shut down the sound and then the sound bar starts blinking and it needs to be recharged again what gives???and is there a sound bar that does not need to be charged

I am not sure what you mean. I have the Yamaha YAS-207BL and it plugs into a wall plug, no need to charge it over night. All in all, I like this Yamaha sound bar. Not only for the non-charging feature, but it also has great sound.