Ensemble Pro - Fix No Sound – Avantree Support

Before You Start: No sound may be caused by disconnected headphones, incorrect TV audio settings, or a loose cable. Turn on the Ensemble Pro transmitter and headphones, then play a TV program or video with sound.

Step 1 – Check the Headphone Connection

Keep the headphones near the transmitter and check the headphone LED.

Solid Orange – Headphones connected to Auracast. Continue to Step 2.

Headphones Not Connected? Turn the headphones off, keep them near the transmitter, then turn them back on. Wait for the LED to turn solid orange.

Step 2 – Check the Audio Signal & Settings

Play TV audio and check the transmitter's Input Signal light.

Steady Light – TV audio detected. Test the headphones.

Flashing / No Light – No valid TV audio detected. Check the settings below.

Choose your TV connection type and follow the matching instructions.

Optical Cable (Recommended)

TV Sound Output: Optical / External Speaker.
Digital Audio Format: PCM / Stereo, not Dolby, DTS, Auto, or Bitstream.

AUX / 3.5 mm

TV Sound Output: Headphones / Audio Out, if needed.
Increase the TV volume and make sure it is not muted.

Find PCM Settings for Your TV →

Step 3 – Check Connections, Volume & Restart

Ensure the cable is securely connected to both the TV and transmitter.
Increase the volume on the headphones and make sure the TV is not muted.
Try a NEW audio cable of the same type.
Still no sound? Restart the transmitter, headphones, and TV. Turn on the transmitter first, then the headphones, and wait for the solid orange LED.

No Sound on Certain Apps or Cable Boxes? Play the affected program and set the TV or streaming device's audio format to PCM / Stereo.

Cable Box Audio Settings →

Still No Sound?

Tell us your TV model, connection type, and transmitter/headphone LED status.

Contact Avantree Support →