HDMI ARC and CEC not working? Try these fixes
My TV has only HDMI and my soundbar has an HDMI arc. How can I
How to Connect a Soundbar to a TV - Virtuoso Central
What Is ARC?
What is Audio Return Channel (ARC)? - CNET
Connecting with an HDMI Cable
How many HDMI ports do you need for your TV? And what kind
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How to Use the HDMI-ARC port on a Samsung TV
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The Fives - Connecting to TV through HDMI ARC – Klipsch