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ARC (Audio Return Channel) is a reverse signal path connection that comes out of a TV and sends audio signals back to another device, in your circumstance the return path is to your Sonos sound bar. Your other inputs then become the source inputs for your TV and all of the audio is sent back through this ARC HDMI to your soundbar. It takes up one extra input port from your TV to do this, specifically the one labeled ARC if your TV is equipped with it. This optical adapter is used in circumstances if your TV does not have a compatible ARC HDMI port. Most TVs without ARC HDMI are equipped with an optical out port, and this would allow you to extract the digital audio signal from your TV via an optical toslink cable and plug it into the HDMI input port on your sound bar.
Sorry, there was a problem. Please try again later.All the components plug into the tv via HDMI ports and then one cable (HDMI from ARC or eARC) to the Sonos Arc.
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