This method essentially allows you to 'go around ' the TV's built-in speakers. If you have a TV box (DirecTV, Xfinity, Bluray Player etc.), you should be able to find audio output ports on the back of them try to connect the Avantree transmitter directly to them instead of the TV. Solution 1: Connect Transmitter to TV box / AV Receiver instead If it doesn't, we have some alternative solutions for you to consider. If your TV offers simutanous output, great! Unfortunately, most of the time, the only way to find out whether your TV supports simutanenous output - is to try it and see. Even TVs under the same brand can have different results for this matter. T his feature DEPENDS ENTIRELY ON THE TV ITSELF. Some TVs on the other hand, allows simultaneous audio output from their built-in speakers and other output.
When you connect a Bluetooth headphone to your smart TV, OR you connect a wireless audio transmitter to TV via AUX/OPT wire, it often automatically mutes the TV speaker.
