Harmony A2 Solo - Can’t Pair / Can’t Join Auracast

Part 1. Classic Bluetooth – Cannot Pair

1) Make sure Harmony A2 Solo is in Bluetooth pairing mode

• The Bluetooth LED must be flashing red & blue.

• If not, press & hold the button for 3 seconds to enter pairing mode.

2) Clear old Bluetooth records

• On your phone / computer, remove “Avantree Harmony A2” from the Bluetooth list.

• On Harmony A2 Solo, press & hold the “+” and “–” buttons together for 5 seconds to clear memory.

3) Bring devices closer

• Keep the speaker and your device within 1 meter during pairing.

4) Refresh Bluetooth

• Turn Bluetooth OFF → ON on your phone or computer.

5) Check if Harmony A2 Solo is connected elsewhere

• If the Bluetooth LED is solid blue, the speaker is already connected.

• Disconnect it first or clear pairing records before pairing again.

Part 2. Auracast – Cannot Join

1) Confirm the transmitter is broadcasting Auracast

• Only Auracast-enabled transmitters can connect.

• Make sure the source device is set to Auracast, not Classic Bluetooth.

2) Stay close to the transmitter

• Recommended distance: 2–3 meters.

3) Restart scanning

• Turn Harmony A2 Solo OFF → ON to restart the search.

• The Auracast LED should be flashing orange while scanning.

4) Avoid Bluetooth / Auracast conflicts

Harmony A2 Solo can scan both modes, but:

• Once Bluetooth connects, Auracast scanning stops.

• To reconnect to Auracast:
  If Harmony A2 Solo is currently connected via Bluetooth, press & hold the button to disconnect the current connection and start scanning for Auracast broadcasts.

5) Restart the Auracast broadcast device

• Reboot the TV / transmitter / phone.

• Re-enable the Auracast broadcast channel.

Still Not Working?

Please contact support@avantree.com and provide:

• LED behavior (color and flashing pattern)

• Your phone / TV / transmitter model

• Whether you are using Bluetooth or Auracast