“I just bought a "TCL - 43" Class 5 Series LED 4K UHD Smart Roku TV Model:43S525". Aren't 4K and UHD saying the same thing about resolution? Also, I don't see any mention of a sound configuration like Dolby this or that. What is the sound?”
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4K and UHD are two different ways of talking about resoltion. This TV features a 4K resolution and supports both HDR and Dolby Vision. There are internal speakers that can be used for audio and supports Dolby Digital processing. Hope this helps! Thank you, TCL Customer Support
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