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The HDMI arc input is located on the back of the TV.
Sorry, there was a problem. Please try again later.Thank you for your interest in the LG 65 Inch Class B3 series OLED 4K UHD Smart webOS 23 w/ ThinQ AI TV (OLED65B3PUA) model. The HDMI ARC input on the LG OLED65B3PUA TV is located on the side of the TV. The ARC (Audio Return Channel) function is used to send the audio signal from the TV to the HDMI output port of a soundbar or AV receiver through the HDMI cable. You can download its owner's manual through this link for more information: https://www.lg.com/us/support/product/lg-OLED65B3PUA.AUS. ^Cris
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