The audio output for all sources is routed through the speakers unless you have something plugged in to the line level outputs (the ones you'd use for connection to an external amp) and have the speakers turned off.
For a television in a waiting room where the unit is just blathering out of the built-in speakers, this should take care of it. However, do larger televisions like what's in use today even have headphone outputs?
However, do larger televisions like what's in use today even have headphone outputs?
Some do but it depends on price point, manufacturer, and model.
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