Please try to change your TV settings or contact your TV manufacturer for more details. Getting audio from both your TV speakers and headphones simultaneously may be a bit challenging, but we'll cover your options here.
This is a TV Feature - Some TVs have it, some don't even TVs under the same brand can have different results for this matter. Some TVs however, may give you the option to play audio through both the TV's internal speakers AND an external audio device simultaneously.
Hearing audio through TV speaker AND headphones at the same timeįor most TVs, the built-in speaker automatically mutes when you plug anything into its audio output port (AUX, RCA, Optical, etc.)