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  • Avantree C82 Aura – Auracast Audio Transmitter with Private & Public Modes, Broadcasts to Multiple Auracast Devices, Qualcomm Bluetooth 5.4, Firmware Upgradeable, USB-C Adapter for PC, Mac & Phones
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Avantree C82 Aura – Auracast Audio Transmitter with Private & Public Modes, Broadcasts to Multiple Auracast Devices, Qualcomm Bluetooth 5.4, Firmware Upgradeable, USB-C Adapter for PC, Mac & Phones

3.5 out of 5 stars (28)
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About this item

  • 【FOR Auracast Assistive Listening Devices Users】 Designed for Auracast-enabled Assistive Listening Devices to stream audio from USB-C devices like PCs, tablets, and smartphones. (Works ONLY with Auracast Assistive Listening Devices 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 Assistive Listening Devices 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.
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Product Description

C82 Aura - USB C Auracst Transmitter
Avantree Auracast Ecosystem

SPECIFICATIONS

Bluetooth Version 5.4
Chipset Qualcomm QCC Series (LE Audio SoC)
Supported Audio Codecs LC3 (Auracast)
Voice Call Support No
Interface USB-C
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)
Size 17 mm × 21 mm × 7 mm
Net Weight 2g

COMPARISON TABLE

Avantree C82 Aura

Avantalk C82 LEA

Avantree DG60 Aura

Avantree Voyager HA

Customer Reviews
3.5 out of 5 stars 28
3.6 out of 5 stars 100
3.1 out of 5 stars 4
3.9 out of 5 stars 18
Auracast Devices & Earbuds
✔ - ✔ ✔
LE Audio Unicast
- ✔ - -
Classic Bluetooth
- ✔ ✔ ✔
Codec Support
LC3 (Auracast) LC3, aptX Adaptive, aptX, SBC Auracast, aptX-Adaptive, SBC LC3, aptX Adaptive & HD, SBC
Main Use Case
LE Audio Listening Auracast Assistive Devices Auracast Listening, PC Work Auracast & Airplane Listening
Compatible Devices
PC, Mac, Tablet, Newer Phones PC, Mac, Tablets, iPhone 15+ PC, Mac Airplane, PC, Gym

  • Only with models listed in our compatibility section. Other assistive listening devices are not supported yet and may be added in future updates.

  • No. This is for Auracast hearing aids only, not for headphones or voice calls.

  • Yes, but you'll need to speak through your phone’s built-in microphone.

  • Very easy. Plug it in, then connect through your hearing aid app or supported phone.

  • Yes! Just download the tool and update it from our website.

Product information

Technical Details

Brand ‎Avantree
Manufacturer ‎Avantree
Place of Business ‎San Jose, CA 95119, United States
Model ‎ATDG-C82
Part Number ‎ATDG-C82-Aura
Hardware interface ‎USB Type C
Compatible Devices ‎Desktop, Laptop, Smartphone, Tablet
Mounting Hardware ‎C82 Aura USB-C Adapter, USB A to Type C Converter
Number of Items ‎1
Batteries Required ‎No
Data link protocol ‎Bluetooth
Number of Ports ‎1
Manufacturer ‎Avantree
Item model number ‎ATDG-C82
Parcel Dimensions ‎12.5 x 8.9 x 1.7 cm; 2 g
ASIN ‎B0F99TPKZZ

Additional Information

Date First Available July 4 2025
Customer Reviews
3.5 out of 5 stars (28)

3.5 out of 5 stars
鶹 Rank

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Avantree C82 Aura – Auracast Audio Transmitter with Private & Public Modes, Broadcasts to Multiple Auracast Devices, Qualcomm Bluetooth 5.4, Firmware Upgradeable, USB-C Adapter for PC, Mac & Phones

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Product details

  • Parcel Dimensions ‏ : ‎ 12.5 x 8.9 x 1.7 cm; 2 g
  • Manufacturer ‏ : ‎ Avantree
  • ASIN ‏ : ‎ B0F99TPKZZ
  • Item model number ‏ : ‎ ATDG-C82
  • Country/Region of origin ‏ : ‎ China
  • Customer Reviews:
    3.5 out of 5 stars (28)

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