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ARC stands for audio return channel. Its used to send sound to and from the receiver.. So a sound system plugged into the tv with hdmi getting sound from a different system. Like a DVR or a game console.
Sorry, there was a problem. Please try again later.Thank you for a great question! An HDMI-ARC connection to a soundbar or sound system can provide higher quality audio, and will allow you to control that sound system's volume through the TV's normal remote. HDMI-ARC is only for audio. If you connect a normal device with this HDMI port, it will just work as it would through any other. Thanks again and have a great day! -Collin
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