A:Answer Hi Manan,
Thank you for your inquiry. Yes, the soundbar will work on your TV using HDMI ARC connection. You may use this guide if there is no sound coming from the soundbar. https://www.sony.com/electronics/support/televisions-projectors-lcd-tvs/xbr-70x850b/articles/00137387
You will not be able to play Dolby Atmos format content output from the TV because the X850B is not compatible with HDMI (eARC). However, you can play Dolby Atmos format content output from a playback device, such as Blu-ray Disc Player. For more details about Dolby Atmos, please refer to this link: https://www.sony.com/electronics/support/sound-bars-home-theater-systems-sound-bars/ht-z9f/articles/00194917
If you need assistance, please email us at socialsupport@am.sony.com with the following information.
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Regards,
Kris