XFINITY (Comcast) TV No Sound – Avantree Support

XFINITY / COMCAST

Xfinity / Comcast TV – No Sound Through Avantree Headphones or Speakers

Set the Xfinity audio output to Stereo, then check your TV's PCM setting if you use an Optical connection.

Step 1 – Change Xfinity Audio to Stereo

Press the XFINITY button on your remote.
Select the Gear icon.
Select Device Settings.
Select Audio.
Select HDMI Audio Output.
Set it to STEREO.

Step 2 – Check Your TV PCM Setting

If there is still no sound and your Avantree transmitter is connected to the TV using Optical, open the audio settings on your actual TV and set its Digital Audio Format to PCM.

Find Your TV’s PCM Setting

Test the sound again.

Play an Xfinity TV channel after changing the settings.

Still No Sound? Connect Directly to the Xfinity Box

If your Xfinity box has a compatible audio output, connect the Avantree transmitter directly to that output instead of the TV.

Audio output ports on the back of an Xfinity box

Open Audio in the Xfinity settings again.
Set Digital Audio Output to Stereo / PCM.

Watch the Xfinity Audio Setup Video

Still Need Help?

Contact Avantree Support for additional assistance.

Contact Avantree Support