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Audikast 4 | Bluetooth & Auracast TV Transmitter
For Bluetooth or Auracast headphones and speakers
- $59.99
- Unit price
- per
Audikast 4: Bluetooth TV Streamer
Audikast 4HA: Optimized for Hearing Aids
Audikast 4: Bluetooth TV Streamer
- FOR Auracast And Classic Bluetooth Users – Two modes: Auracast for Auracast headphones, speakers, and only the hearing aids shown in the images. Classic Bluetooth for headphones or speakers (only one device at a time). For hearing aids, we recommend Audikast 4 HA.
- Watch TV At Your Own Volume – Connect to your TV via optical or AUX output for private listening through headphones or hearing devices. Some TVs without optical or AUX output are not supported.
- Stable And Future-Ready Connection – Built on Bluetooth 5.4 with Auracast support and USB-C firmware updates, designed to stay compatible as Auracast devices continue to evolve.
- NOT FOR Incompatible Hearing Aids – Auracast works only with hearing aids that are Auracast-ready. Many hearing aids on the market are not Auracast-ready yet – please check the compatibility list in the images before purchase.
- IMPORTANT NOTE – Classic Bluetooth Limitation – In classic Bluetooth mode, only one headphone or speaker can be connected at a time. Multi-listener audio sharing is available only in Auracast mode.
• Audikast 4 Transmitter
• Type C data & power cable
• 3.5mm audio cable
• Optical audio cable
In Stock—Estimated delivery
3–7 business days
$59.99
Comparison Table
Model
- Bluetooth Version
- Best For
- Multi-Listener
- Encrypted Audio Support*
- Custom Broadcast Name*
- Range
- Firmware Upgrade (DFU)
-
- 5.4 + Auracast
- Headphones & Hearing Aids
- ✅ Auracast Broadcast (Multi Device)
- ❌
- ❌
- Up to 100 m (330 ft)
- ✅
-
- 5.4 + Auracast
- Hearing Aids
- ✅ Auracast Broadcast (Hearing Aids)
- ✅
- ✅
- Up to 100 m (330 ft)
- ✅
-
- 5.3
- Two Headphones
- ✅ Dual Link (2 Headphones)
- ❌
- ❌
- Up to 30 m (100 ft)
- ❌
-
- 5.3
- Headphones & Speakers
- ✅ Dual Link + Bypass
- ❌
- ❌
- Up to 50 m (165 ft)
- ✅
Note:
• Encrypted Audio Support – Add a password to your Auracast broadcast for a private and secure connection.
• Custom Broadcast Name – Rename your broadcast for easy identification and a more personalized experience.
Specifications
| Bluetooth Version | Bluetooth 5.4 |
| Supported Audio Codecs |
Classic BT: aptX Adaptive, aptX-HD, aptX, SBC Auracast Mode: LC3 |
| Supported Bluetooth Profiles | A2DP, Auracast Broadcast |
| Audio Latency |
aptX Adaptive: 60 ms ~ aptX: ~120 ms SBC: ~220 ms Auracast/LC3: 50 – 70 ms |
| Audio Input | Optical (TOSLINK), 3.5 mm AUX |
| Operating Range | Up to 100 ft (30 m) |
| Input Voltage / Current | DC 5 V / 1 A |
| Power Supply | USB charger or TV USB port |
| Power Port | USB-C |
| Firmware Upgradable | Yes (DFU support) |
| Product Size | 2.87 × 2.68 × 2.64 in |
| Product Weight | 1.34 oz |
Q & A
1. Will this work with my headphones or hearing devices?
This transmitter works with compatible Auracast headphones, speakers, and hearing devices. Not all hearing aids models are supported, so please check the compatibility list in the images. For Auracast hearing device users, we recommend Audikast 4HA.
2. Can I share TV audio with two (or more) people at the same time?
Yes, in Auracast mode you can broadcast to multiple compatible receivers at once. In classic Bluetooth mode, the transmitter can connect to only one device at a time.
3. My TV has no optical or AUX port, can I still use it?
This transmitter needs an optical or AUX audio output from your TV. If your TV doesn’t have either, it may not be compatible. Please check your TV’s available audio outputs before purchase.
4. Will this help me hear TV dialogue more clearly without raising the volume?
Yes. This transmitter lets you listen through compatible headphones or assistive listening devices at your own volume, without increasing TV speaker volume. Many users find dialogue clearer and more comfortable, especially for long TV sessions.
5. Why choose this instead of a regular Bluetooth TV transmitter?
This transmitter supports the latest Auracast technology and is designed to stay compatible as Auracast devices continue to evolve. With firmware upgrade support, it's built for long-term use and future audio-sharing needs.
Setup & Troubleshooting
📖
Interactive Setup Guide
Step-by-step pairing & videos
🛠️
Troubleshooting & FAQ
Quick fixes, FAQs, and tips
🛡️
Register Product
Activate warranty & more
💾
Firmware Update
To upgrade or fix issues
Buy Add-ons & Accessories
Audikast 4 — 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.)
- Choosing a selection results in a full page refresh.