Hi,
thanks for sharing, we're here to help, try the following:
since you’ve got a TCL 55R635 (Roku TV, 6-Series 2020), here’s the easiest way to get HDR + Dolby Atmos at the same time with the Skywave X60:
Recommended setup (eARC)
Xbox → TV (HDMI 1, 2, or 3)
X60 → TV (HDMI 4 eARC)
On the TV...