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Interactive user guide

C82 LEA Setup Guide

Source
USB audio from:
PC · Mac · PS5
Phone · tablet
Listen with
LE Audio hearing aids
LE Audio headphones
Classic Bluetooth headphones
Calls
Use a compatible headset mic.

Not supported: Hearing aids without LE Audio cannot pair directly.

Group listening:
C82 Aura firmware is required.

Part 1 of 2

Pair your hearing aids or headphones

Open the one that matches your receiver.

C82 LEA USB-C adapter: PAIR button on the left side; LED on the frontPAIR ButtonLED
LE Audio hearing aidsDirect pairing · solid green when connected

Pair LE Audio hearing aids

Before pairing: Check C82 LEA hearing-aid compatibility ↗.

Step 1Start LE Audio pairing on C82 LEA

  1. Plug C82 LEA into your USB-audio device.
  2. If the LED flashes blue and white, quickly press C82 LEA's side PAIR button 3 times for LE Audio.

Ready: The LED flashes green and white.

Different light?

No green/white flashing: Hold C82 LEA's PAIR button for 2 seconds.

Still not ready? Fix pairing.

Step 2Pair both LE Audio hearing aids

Requires: Hearing aids with Bluetooth LE Audio.

  1. Turn off Bluetooth on nearby devices.
  2. Put both aids in pairing mode using their maker's instructions.
  3. Keep them within 2 in / 5 cm of C82 LEA.

Connected: The C82 LEA LED stays solid green.

Not connected?

For rechargeable aids, place them in the case, then remove them and retry.

Full hearing-aid pairing help ↗

LE Audio headphonesDirect pairing · solid green when connected

Pair LE Audio headphones

Step 1Start LE Audio pairing on C82 LEA

  1. Plug C82 LEA into your USB-audio device.
  2. If the LED flashes blue and white, quickly press C82 LEA's side PAIR button 3 times for LE Audio.

Ready: The LED flashes green and white.

Different light?

No green/white flashing: Hold C82 LEA's PAIR button for 2 seconds.

Still not ready? More help ↗.

Step 2Pair LE Audio headphones

Requires: Headphones with Bluetooth LE Audio.

  1. Put the headphones in pairing mode, not just on.
  2. Keep them close to C82 LEA.

Connected: The C82 LEA LED stays solid green.

Not connected?

More help ↗.

Classic Bluetooth headphonesDirect pairing · solid blue or purple when connected

Pair Classic Bluetooth headphones

Step 1Start Classic pairing on C82 LEA

  1. Plug C82 LEA into your USB-audio device.

Ready: The LED flashes blue and white.

Different light?

Green/white flashing: Press C82 LEA's side PAIR button three times.

No blue/white flashing: Hold PAIR for 2 seconds.

Still not ready? More help ↗.

Step 2Pair Classic Bluetooth headphones

  1. Put the headphones in pairing mode. Turning them on is not enough.
  2. Keep them close to C82 LEA.
Headphone pairing helpChoose brand
AirPods / AirPods Pro

Check the back of your case.

There is a button

AirPods 1–3 / AirPods Pro 1–2

  1. Open the case with your AirPods inside.
  2. Hold the button on the back for about 5 seconds.
AirPods case rear setup button held until the front status light flashes white

Ready when: the case light flashes white.

There is no button

AirPods 4 or 5 / AirPods Pro 3

  1. Open the case with your AirPods inside.
  2. Double-tap the front of the case.
AirPods 4 or 5, or AirPods Pro 3 case front double-tapped until the status light flashes white

Ready when: the case light flashes white.

AirPods Max

Press and hold the noise control button for about 5 seconds.

Ready when: the status light flashes white.

Bose
  1. Turn on the headphones or open the earbud case.
  2. Hold the Bluetooth or power button until the light flashes blue or you hear “Ready to connect.”

Ready when: the light flashes blue or the voice prompt confirms pairing.

Beats
  1. Turn on the headphones.
  2. Hold the system or power button until the indicator flashes.

Ready when: the indicator flashes for pairing.

Sony
  1. With the headphones off, hold the power button for about 5 seconds.
  2. For Sony earbuds, use the case or touch-sensor pairing command for your exact model.

Ready when: the light flashes blue or you hear “Bluetooth pairing.”

Samsung Galaxy Buds
  1. Place both earbuds in the case, close it for 5–6 seconds, then open it.
  2. If pairing does not start, wear both earbuds and touch both touchpads until you hear the pairing sound.

Ready when: the earbuds announce pairing or show their pairing pattern.

JBL
  1. Hold the Bluetooth or power button until the indicator flashes rapidly.
  2. If JBL reconnects to a phone, turn that phone Bluetooth off and try again.

Ready when: the indicator flashes rapidly.

Other headphones
  1. Hold the power, Bluetooth, or main button until the light flashes rapidly.
  2. Check the headphone manual for the exact command if the light does not change.

Ready when: the headphones show their documented pairing pattern.

Connected: The C82 LEA LED stays solid blue or purple.

Not connected?

Disconnect the headphones from nearby devices, then retry.

Connected? Choose sound output →

Part 2 of 2

Choose C82 LEA as sound output

Open your source device after the C82 LEA light turns solid.

Windows computer

Play computer audio

Requires: C82 LEA is paired with your hearing aids or headphones.

  1. Open Windows Settings → System → Sound → Output.
  2. Select C82 LEA.
  3. Play media at low volume, then raise it slowly.

Done: Audio plays through the connected receiver.

If not: Fix no sound.

Mac computer

Play Mac audio

Requires: C82 LEA is paired with your hearing aids or headphones.

  1. Open Mac System Settings → Sound → Output.
  2. Select C82 LEA.
  3. Play media at low volume, then raise it slowly.

Done: Audio plays through the connected receiver.

If not: Fix no sound.

PS5

Play PS5 game audio

Requires: C82 LEA is paired with your hearing aids or headphones.

  1. Open PS5 Settings → Sound → Audio Output.
  2. Select C82 LEA as Output Device.
  3. Play game audio at low volume.

Done: Game audio plays through the connected receiver.

If not: Fix no sound.

USB-C phone or tablet

Play phone or tablet audio

Requires: USB audio support and C82 LEA paired with your hearing aids or headphones.

  1. Plug C82 LEA into the device's USB-C port.
  2. Play media at low volume.
  3. If audio stays on the device, select its USB audio output.

Done: Audio plays through hearing aids or headphones connected to C82 LEA.

If not: Confirm USB audio support, then fix no sound.

Quick help

Fix a problem

Firmware update

Update C82 LEA firmware

  1. Install Avantree Updater.
    Use a Windows or Mac computer.

  2. Plug in C82 LEA.
    Use USB-C directly, or a USB-C to USB-A adapter. No cable is needed.

  3. Run the update.
    Choose C82 LEA for direct pairing or C82 Aura for group listening.
    Keep it plugged in until Complete appears.

After updating: reset C82 LEA.