A:Answerif you download the Roku app on your mobile device it has a feature called "Private listening" all you have to do is pair your wireless headphones to your device and activate the feature. it will route the audio from whatever you are viewing to your mobile device and in turn through the headphones you paired to them. It's really quite neat.
A:AnswerThere has to be a way to get into the back of that tv,some how you need to cut into that fireplace somehow,look at the manual and see where the plug in is located.