How to connect a TV to soundbar: HDMI ARC vs optical | Popular Science
HDMI 2.1 eARC Technology
HDMI ARC and HDMI eARC: everything you need to know | What Hi-Fi?
3M HDMI 2.1 Cable Certified Ultra High Speed 8K Braided 48Gbps by True - True HQ
Connecting your Dolby Atmos-enabled soundbar to your TV - Dolby
UGREEN 8K HDMI 2.1 Cable 8K@60Hz 4K@120Hz 48Gbps Ultra High Speed UHD HDR eARC Dolby Atmos HDCP 2.2 HDMI Lead Compatible with PS5 PS4 Xbox One TV Switch DVD Monitor Soundbar (1M):
Sharp HT-SBW160 2.1 360W Wireless Sound Bar & Subwoofer HDMI Bluetooth - TAB Retail
Sony HT-A7000 review: a next-gen Atmos soundbar that's (almost) perfect for gaming - The Verge
TCL Soundbar S522W - 2.1 channel with Wireless Subwoofer - TCL UK