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I only connected the soundbar through Arc, but about connecting other devices to the soundbar, I do not have such knowledge.
Sorry, there was a problem. Please try again later.HDMI 3 on the LG CX 77 inch Class 4K Smart OLED TV w/ AI ThinQ® (76.7'' Diag), Model # OLED77CXPUA is an HDMI eARC port. It is labeled as HDMI eARC. When connecting it to an external device's HDMI eARC port, be sure to go into the Digital Sound Out settings in the TV to configure the TV to transfer audio through the HDMI eARC port...^IFV
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