How to connect HDMI ARC feature on LG Smart Televisions. ARC stands for Audio Return Channel and its main purpose is to transport audio from your TV back to your home theater, Sound bar or AV Receiver. Normally this work is done by the optical cable but with ARC there is no need for an extra optical cable. You just use one single HDMI cable. ARC offers two-way communication between the TV and Home Theater over a single HDMI connection. In other words the HDMI ARC port lets you use HDMI as both an input and an audio output.

LG Televisions usually have the ARC feature on HDMI port 2.

Timestamps
00:12 What is ARC
01:11 How to connect
02:27 ARC Advantages
03:11 ARC Vs. eARC
03:43 Troubleshooting

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