| 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 |
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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
Purchase options and add-ons
| Compatible devices | Desktop, Laptop, Smartphone, Tablet |
| Specific uses for product | Streams audio from PC, Mac, or smartphones (with USB audio output) to Auracast devices such as headphones, earbuds, speakers, or receivers. See more |
| Connector type | USB Type C |
| Colour | Black |
| Brand | Avantree |
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
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
Add to Cart
| Avantalk C82 LEA
Add to Cart
| Avantree DG60 Aura
Add to Cart
| Avantree Voyager HA
Add to Cart
| |
|---|---|---|---|---|
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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
|
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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 |
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Will this work with my assistive listening devices?
Only with models listed in our compatibility section. Other assistive listening devices are not supported yet and may be added in future updates.
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Can I use it with my Bluetooth headphones?
No. This is for Auracast hearing aids only, not for headphones or voice calls.
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Can I make calls with my assistive listening devices?
Yes, but you'll need to speak through your phone’s built-in microphone.
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Is it easy to use?
Very easy. Plug it in, then connect through your hearing aid app or supported phone.
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Can I upgrade the firmware in the future?
Yes! Just download the tool and update it from our website.
Product information
Technical Details
Additional Information
| Date First Available | July 4 2025 |
|---|---|
| Customer Reviews |
3.5 out of 5 stars |
| 鶹 Rank |
|
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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:

















