Just set up a Samsung soundbar and TV to my X1 wireless box. No issues connecting ARC, with TV and soundbar automatically transitioning to HDMI. Problem occurred when I attampted to set the resolution to 4K, UHD. Picture looked great, no sound. Have to keep device setting (on X1) at 1080p 60htz. Everything is less than 6 months old. X1 recognizes the TV is 4K UHD capable. Thoughts?
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