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Hello, On these sets that have Optical outputs or HDMI only- you need to use a converter at the TV's digital audio out jack to change the signal to analog- where you can then connect the wireless headphones to.
This is common with all modern TV's and something we see commonly.
A workaround, is if you're using a cable box with RCA red and white audio jacks on it, you can plug the headphones in there.
However if not, or if you want ALL TV sound to run through the headphones, then you would need the converter at the link below- connected to the TV's Optical/Digital Output. You can then connect the headphones into the converter:
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