You can add more headphones by putting the Duet into pairing mode again and pairing each new headset one at a time.
Quick Check
1. Turn ON the transmitter
● Slide & hold it to PAIR until lights flash red/blue
2. Turn ON the new headphones
● Slide & hold them to PAIR until lights flash red/blue
3. Wait ~3–5 seconds → lights turn solid blue = connected
Most Common Issue
The devices aren’t in pairing mode at the same time, so they can’t “find” each other.
💡 Tip:
- Minimize Interference: Wi-Fi routers, access points, and microwaves operate on the 2.4GHz frequency and can interfere with the signal. Keep these devices at least 2 meters away from your transmitter and headphones for best performance.
- You can pair up to 100 receivers—including Duet extra headphones, Harmony extra speakers, Quartet extra headphones, or Audiplex extra receivers—with the Duet transmitter.
Still not working?
Contact us at ✉️ support@avantree.com
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