I bought three of these: one for a 65 inch Samsung 4K HDR TV and two for Samsung Dolby Atmos rear speakers. They all use the same power supply and surprisingly it worked great with the TV. but i had problems with the connection to the rear speakers. so i can confirm it works on the tv but not on the speakers for some reason! good buy no matter what because samsung doesn't supply long power cords so there are good options.
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