Crescendo 3D - How To Reconnect Headphones

Before You Start: Your headphones may fail to reconnect because of an incorrect wireless mode, a temporary connection issue, or wireless interference. Follow these steps to restore the connection.

Step 1 – Reduce Wireless Interference

1. Turn off the TV. Also, turn off Bluetooth on any nearby phones, tablets, or computers previously paired with the headphones.
2. Keep the headphones within 3 feet (1 meter) of the transmitter.
3. Move the transmitter away from Wi-Fi routers, TV boxes, and other wireless devices.

Step 2 – Restart & Reconnect

Check the headphone light:

1. Turn OFF the transmitter and headphones.
2. Wait 10 seconds, then turn the transmitter ON.
3. Set the headphone switch to TV/BASE (not Bluetooth).
4. Wait 5–10 seconds for the headphones to reconnect.

Solid Blue? The headphones are connected. Play TV audio to check that they work.

Step 3 – Reconnect Using Pairing Mode

1. Make sure the transmitter is ON and the headphone switch is set to TV/BASE.
2. Press and hold the headphones’ Play/Pause (⏯) button for 3 seconds to enter pairing mode.
3. Keep the headphones close to the transmitter and wait for the light to turn Solid Blue.

Solid Blue – The headphones have reconnected.

Step 4 – Headphones Keep Disconnecting?

1. Move the headphones closer to the transmitter and test again.
2. Keep the transmitter away from Wi-Fi routers, large metal objects, and other wireless equipment.
3. If the connection remains unstable, press and hold Volume + and Volume − together for 5 seconds to reset the headphones.
4. Repeat Step 3 to reconnect.

Still Having Issues?

If the headphones still won’t reconnect or keep disconnecting, contact Avantree Support. Tell us which headphone light you see and whether the issue happens every time or only occasionally.