Help library: [VIDEO] Connecting Sound Bar via HDMI ARC (auto return channel) Learn how to use update maintain and troubleshoot your LG devices and appliances.
If your TV supports ARC (Audio Return Channel), you can connect your TV and soundbar using an HDMI cable, so audio from your connected devices will play on the soundbar. ARC is easy to use, and you’ll enjoy excellent sound quality.
How to Video for Samsung Soundbar/SoundTower. Find more about 'Samsung Dolby Atmos Soundbar: Connecting via ARC' with Samsung Support.