8K HDMI 2.1 Cable 15 Feet CL3 in Wall Rated 8K60Hz 4K120Hz eARC ARC HDCP 2.3 2.2 Ultra High Speed Compatible with Dolby Vision Roku Sony LG Samsung PS5 PS4 Xbox Series
HDMI ARC and HDMI eARC: everything you need to know | What Hi-Fi?
What is HDMI-eARC/HDMI 2.1 and How Does it Differ from HDMI-ARC? – Klipsch