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Yes we have this TV and it does have eARC HDMI 3 you can turn it off or on from the sound menu..
Sorry, there was a problem. Please try again later.HDMI 3 on the LG UHD 85 Series 75 inch Class 4K Smart UHD TV with AI ThinQ® (74.5'' Diag), Model # 75UN8570PUC is an HDMI eARC port...^IFV
Sorry, there was a problem. Please try again later.HDMI Input (HDCP 2.2) 2 (rear) / 2 (side)HDMI Audio Return Channel (ARC) eARC (HDMI 3)
Sorry, there was a problem. Please try again later.The TV has an ARC port, but not an eARC port
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