ARC or Audio Return Channel, is an HDMI® feature available in most TCL TV models. This feature allows the TV and other CEC-compatible devices to send audio and video back and forth. Using HDMI® ARC reduces the number of cables required, and optionally lets you control the volume and mute state of the receiver by enabling system audio control.
When utilizing this feature, it is important you are using the right connections and cables.
|
![]() |
After properly connecting your CEC-compatible devices to the TCL TV, be sure it's powered ON and follow the steps below to confirm that your TV recognizes them:
Tip: Some manufacturers have their own branded names for CEC functionality, so you might need to read the product documentation to correctly identify the CEC features of the device.
When finished, the TV displays a list of CEC devices that are connected to each HDMI® input, as well as any devices that had previously been connected. The TV remembers the names of multiple CEC devices even when they are no longer connected. If the list is longer than the allowed space, press * to see a complete list in a scrollable window.
HDMI® ARC is disabled by default. To enable HDMI® ARC, follow step-by-step instructions below: