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  • Updated

Ensemble Pro - Fix No Sound

  • Updated

Before You Start: No sound usually means the headphones aren't connected to the transmitter or the transmitter isn't receiving TV audio. Turn on the Ensemble Pro transmitter and headphones. Play a TV channel or video with sound.

Step 1 – Check the Headphone Connection

  1. Turn on the Ensemble Pro transmitter and headphones.
  2. Keep the headphones near the transmitter and check the headphone indicator light.
Solid Orange – Headphones connected to Auracast. Continue to Step 2.
Headphones not connecting?
  1. Turn off the headphones.
  2. Keep them near the transmitter.
  3. Turn the headphones back on.
  4. Wait for the headphone LED to turn solid orange.

Important: For TV listening, use the transmitter's Auracast connection, not the TV's Bluetooth menu.

Step 2 – Check the TV Audio Connection

  1. Make sure the TV audio cable is firmly connected at both ends.
  2. Connect the TV's audio OUT port to the transmitter's matching INPUT port.
  3. Set the transmitter's input switch to match your cable: OPT or AUX.
  4. Play TV audio and check the transmitter's Input Signal light.
Steady Light – TV audio detected.
Flashing / No Light – No valid TV audio detected. Check Step 3.

Step 3 – Check TV Audio Settings

Open the connection you are using:

Optical Cable (Recommended)
  1. Connect TV Optical OUT to transmitter OPT IN.
  2. Set TV Sound Output to Optical / External Speaker.
  3. Set Digital Audio Format to PCM / Stereo, not Dolby, DTS, Auto, or Bitstream.
Find PCM Settings for Your TV →
AUX / 3.5 mm
  1. Connect TV Headphone / Audio OUT to transmitter AUX IN.
  2. Select Headphones / Audio Out in TV settings, if needed.
  3. Increase the TV volume and make sure it is not muted.
Step 4 – Check the Volume
  1. Press Volume + on the headphones.
  2. If the sound is still too low, find the Volume Boost switch on the transmitter.
  3. Slide it from Normal to High.
No Sound on Certain Apps or Cable Box?

If regular TV audio works but a streaming app, channel, or cable box has no sound, play the affected program and set the TV or streaming device's audio format to PCM / Stereo.

Cable Box Audio Settings →
Still No Sound? Restart
  1. Turn off the transmitter and headphones.
  2. Reconnect the TV audio cable firmly.
  3. Turn on the transmitter.
  4. Turn on the headphones and wait for the solid orange light.

Still No Sound?

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

Contact Avantree Support →

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