Update: my replacement still has the same problem, too bad because they can be really good but when I move my head after 1 hour or so of watching TV they switch turn on and off with the slightest movement. Also, RANGE is terrible, it's good for about 15 feet and then cuts off again. Customer service is excellent. There is no audio lag at all. BUT My first set had an issue where the audio cut out and disappeared. I've installed the Avantree transmitter in various places, in the shade, near the TV, etc. The only way to fix this is to put it in a position that seems stable and then not move my head or to rotate. Same problem, I would come again, but I'm afraid I will still have problems for the third time. If it weren't for this problem I would give 5 stars. A very disappointing downside for an otherwise excellent product.
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