How To Know If Your TV Has HDMI ARC? [Find Out Fast!]
Amazon.com: llano HDMI 2.1 Switch, HDMI Auto Switcher 4K@120Hz 8K@60Hz with IR Remote, Switcher Selector 4 in 1 Out Supports ARC, CEC, HDCP2.3, 3D, HDR10+ VRR ALLM for PS5 and Xbox :
What Is HDMI ARC? | Tom's Guide
HDMI ARC and CEC not working? Try these fixes | Trusted Reviews
Digital Optical vs HDMI Arc: What Are The Key Differences? - Dignited