ARC, which stands for Audio Return Channel, makes it easy to connect a sound bar to a TV. Learn more here.
How to connect a soundbar to your Samsung TV using HDMI (ARC)
Optical vs HDMI: Which Is Better?
My TV has only HDMI and my soundbar has an HDMI arc. How can I connect? - Quora
Connecting MagniFi MAX/ MagniFi MAX SR to TVs without HDMI or Optical output
HDMI ARC - CLC Definition
Installing and using the Product
UHD-401ARC HDMI Combo Switch - 4 Inputs 1 Output, Key Features:, 4 inputs and 1 output HDMI Switch, HDMI 2.0 / Ultra HD 4k (3840 x 2160 @60Hz), DTS®
4K ARC 4x1 HDMI Switcher - Supports 4K @ 60Hz, Connect Sound bar With ARC (UHD-401ARC)
Installing and using the Product
Silkland HDMI ARC Cable for Soundbar 3FT, [e ARC, ARC, HDCP 2.2, Ethernet] High Speed 18Gbps HDMI Cable, Braided HDMI Cord, Compatible for Samsung, Vizio, Sono, Bose, LG Sound bar, UHD
HDMI ARC and eARC: Audio Return Channel for beginners - CNET
RIOWOIS Sound Bars for Smart TV, 31-in Bluetooth TV Soundbar Speakers with HDMI-ARC, Optical AUX Connection, Crisp Sound and Easy Setup, Detachable Surround Sound System for TV, PC, Projector. : Electronics
What you need to know about HDMI ARC and eARC
How To Connect Your Soundbar to a TV for the Best Audio Quality - The Plug - HelloTech