C82 Aura | USB Auracast Audio Transmitter Adapter

USB-C Transmitter for Auracast Hearing Aids & Group Listening

$49.99

Dongle Features
Version: C82 Aura: Optimized for Auracast Hearing Aids
C82 LEA: Bluetooth 5.4 LE Audio Adapter
C82 LEA: Bluetooth 5.4 LE Audio Adapter
Optimized for Auracast Hearing Aids
C82 Aura: Optimized for Auracast Hearing Aids
Subtotal: $49.99

Free Shipping and Returns

  • FOR Auracast Hearing Aid Users – Designed for Auracast-enabled hearing aids to stream audio from USB-C devices like PCs, tablets, and smartphones. (Works ONLY with Auracast hearing aids listed in our “Check Before You Buy” image.)
  • Private Or Open Auracast Mode – Use Private Mode with password protection or Open Mode for public listening; modes can be changed via the Avantree Updater (PC).
  • Multi-Listener Auracast Broadcast – Broadcast audio to multiple Auracast hearing aids at once, powered by Qualcomm QCC Bluetooth 5.4 with LE Audio and LC3 for stable, low-latency sound.
  • NOT FOR Bluetooth Headphones Or Speakers – This is NOT a Classic Bluetooth adapter and does not support Bluetooth headphones, speakers, earbuds, or LE Audio unicast devices.
  • Limited Compatibility – USB-C Audio Source Only – Works only with devices that output audio via USB-C; not compatible with TVs, cars, or game consoles, even if they have a USB-C port.

C82 Aura USB Audio Transmitter
USB-A to USB-C Converter

Setup & Support
C82 Aura | USB Auracast Audio Transmitter Adapter

C82 Aura | USB Auracast Audio Transmitter Adapter

$49.99

C82 Aura | USB Auracast Audio Transmitter Adapter

$49.99

Comparison Table

Model
  • Auracast Hearing Aids
  • LE Audio Unicast
  • Classic Bluetooth
  • Codec Support
  • Main Use Case
  • Compatible Devices
    • ✅ Yes
    • ❌ No
    • ❌ No
    • LC3 (Auracast)
    • Auracast Hearing Aids + Group listening
    • PC, Mac, IPhone 15/16, iPads
    • ✅ Yes
    • ❌ No
    • ✅ Yes
    • LC3 (Auracast), aptX-Adaptive, aptX, SBC
    • Auracast Hearing Aids + Group listening + PC Work
    • PC, Mac
    • ❌ No
    • ✅ Yes
    • ✅ Yes
    • LC3, aptX Adaptive, aptX, SBC
    • PS5 Gaming, PC/Mac Calls & Music
    • PS5, PS4, PC, Mac, Newer Phones
    • ❌ No
    • ❌ No
    • ✅ Yes
    • aptX-Adaptive/HD/LL, aptX, SBC
    • PS5 Gaming
    • PS5, PS4, Switch
Avantree Auracast Ecosystem Desktop

Specifications

Bluetooth Version 5.4
Chipset Qualcomm QCC Series (LE Audio SoC)
Audio Codec LC3 (Auracast Broadcast)
Voice Call Support No
Interface USB-C (with USB-A adapter included)
Latency 50–80ms
Firmware Upgrade Supported via official Avantree website
Private Broadcast Mode Yes (password required to connect)
Frequency Range 2.4 GHz – 2.48 GHz
Operating Range Up to 100 ft (30 m)
Product Dimensions 17 mm × 21 mm × 7 mm
Weight 2 g
Bluetooth Version 5.4
Chipset Qualcomm QCC Series (LE Audio SoC)
Audio Codec LC3 (Auracast Broadcast)
Voice Call Support No
Interface USB-C (with USB-A adapter included)
Latency 50–80ms
Firmware Upgrade Supported via official Avantree website
Private Broadcast Mode Yes (password required to connect)
Frequency Range 2.4 GHz – 2.48 GHz
Operating Range Up to 100 ft (30 m)
Product Dimensions 17 mm × 21 mm × 7 mm
Weight 2 g

Setup & Troubleshooting

Q & A

Q1: Will this work with my hearing aids?
A: Only with models listed in our compatibility section. Other hearing aids are not supported yet and may be added in future updates.

Q2: Can I use it with my Bluetooth headphones?
A: No. This is for Auracast hearing aids only, not for headphones or voice calls.

Q3: Can I make calls with my hearing aids?
A: Yes, but you'll need to speak through your phone’s built-in microphone.

Q4: Is it easy to use?
A: Very easy. Plug it in, then connect through your hearing aid app or supported phone.

Q5: Can I upgrade the firmware in the future?
A: Yes! Just download the tool and update it from our website.

Setup & Troubleshooting

Buy Add-ons

C82 Aura — Compatibility Checker

Avantree Bluetooth Compatibility Checker

Avantree products are designed for versatility and broad compatibility. However, due to technical limitations, not all devices can work together. We strongly recommend checking compatibility before purchase.

All Bluetooth Devices Checker

(Note: This tool is still under development. 💡 Suggestions are welcome anytime! contact us.)