Before You Start: No sound may occur if the headphones are disconnected, the TV audio settings are incorrect, or the transmitter is not receiving audio. Turn on the Duet Aura transmitter and both headphones, then play a TV program or video with sound.
Step 1 – Check the Headphone Connection
Keep both headphones turned on and near the transmitter. Check the headphone LED.
Solid Orange – Connected to Auracast. Continue to Step 2.
Flashing Orange – Searching for the Auracast connection.
Headphones Not Connecting? Follow the pairing guide below.
Duet Aura – Pair / Add Headphones →Step 2 – Check the Audio Signal & Settings
Play TV audio and check the transmitter's Audio Signal light.
Solid White – TV audio signal detected.
Flashing White – No TV audio detected. Check the settings below.
Choose your TV connection type and follow the matching instructions.
Step 3 – Check Connections, Volume & Restart
- Make sure the audio cable is securely connected to the TV and transmitter.
- Set the transmitter's input selector to match your connection: HDMI ARC, OPT, or AUX.
- Increase the volume on both headphones and make sure the TV is not muted.
- Test each headphone separately.
- Try NEW audio cable of the same type.
- Still no sound? Restart the transmitter, both headphones, and TV, then test again.
No Sound on Certain Apps or Cable Boxes? Play the affected program and set the TV or streaming device's digital audio format to PCM / Stereo.
Cable Box Audio Settings →Still No Sound?
Tell us your TV model, cable type, and transmitter/headphone LED status.
Contact Avantree Support →
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