What is HDMI CEC and HDMI ARC?
What is the Audio Return Channel (ARC) feature?
ROOFULL Premium 5 Port 4K HDMI Switch with Optical & 3.5mm AUX Audio Out, 5 in 1 Out 4K@60Hz HDMI 2.0 Audio Extractor with Remote, Support ARC, HDR 10, HDCP 2.2, 18Gbps
Everything You Need to Know About ARC (Audio Return Channel) - My Site
Connection 1 : TV equipped with an HDMI connector and compatible with the ARC (Audio Return Channel) / eARC (Enhanced Audio Return Channel) SR5014
What eARC is and how to set on Samsung Smart TV
What Is HDMI ARC (Audio Return Channel)?
HDMI ARC and eARC: Audio Return Channel for beginners - CNET
Hisense TV to Wohome Sound Bar Optical and HDMI ARC cable connection