How to connect a TV to soundbar: HDMI ARC vs optical | Popular Science
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Syncwire HDMI Cable 6.5 ft HDMI 2.0 (4K@60 Hz) - [High Speed, Gold-Plated] HDMI to HDMI Cord, Supports 4K, UHD, FHD, 3D, Ethernet, Audio Return Channel for Fire TV/Apple TV/HDTV/Xbox/PS4/PS3 : Electronics
What is an HDMI Audio Return Channel? - Tricopolis Records
Channel Vision HDMI Modulator, 1 Input
TV equipped with an HDMI connector and compatible with the eARC (Enhanced Audio Return Channel) or ARC (Audio Return Channel) DENON HOME SOUND BAR 550
Connection 1: TV equipped with an HDMI connector and compatible with the ARC (Audio Return Channel) DHT-S216
Connection 2 : TV equipped with an HDMI connector and incompatible with the ARC (Audio Return Channel) / eARC (Enhanced Audio Return Channel) AVR-S760H