I would also consider using HDMI from the Xbox to the LG for HDMI 2.1 video and then optical out of the LG display to the Meridian for digital audio / surround.

Nick

edit: as I re-read your post, I see this is how you have your current setup configured. This would still be a good option for your new TV.

Last edited by Nrighton; 2021-04-15 16:03.
558.2 amp, Meridian A500 speakers, M2500 sub, Director & Explorer DACs