A:Answer Hi LWP313,
If you connect headphones when your TV is turned off, then you turn on your TV, the TV speakers are muted and the audio plays through the headphones. For more product details, please visit https://www.bestbuy.com/site/brands/best-buy-brands/pcmcat1596746025285.c?id=pcmcat1596746025285
Insignia Support
https://www.bestbuy.com/site/brands/best-buy-brands/pcmcat1596746025285.c?id=pcmcat1596746025285