

Unboxing video for audikast 4
Merchant Video
Can this work with my Bluetooth headphones?
Yes, it connects with most brands like AirPods, Bose for private TV listening
Does this support my hearing aids?
It works only with the Auracast-compatible hearing aid models shown in our product images – such as GN Danalogic Extend, Jabra Enhance Pro 20, and ReSound Nexia.
Models not listed are not supported. Please check your model before purchase.
Is it easy to set up and use?
Yes, just plug in, switch the mode, pair and connect. The display and volume knob make control simple.
Can two people listen at the same time?
Classic Bluetooth only supports one device; Auracast allows multi-listening but requires compatible headphones or hearing aids.
Can I update the device myself?
Yes, firmware upgrades are easy via USB-C on your computer.
SPECIFICATIONS
TV Transmitters from Avantree

Unboxing video for audikast 4
Merchant Video
Can this work with my Bluetooth headphones?
Yes, it connects with most brands like AirPods, Bose for private TV listening
Does this support my hearing aids?
It works only with the Auracast-compatible hearing aid models shown in our product images – such as GN Danalogic Extend, Jabra Enhance Pro 20, and ReSound Nexia.
Models not listed are not supported. Please check your model before purchase.
Is it easy to set up and use?
Yes, just plug in, switch the mode, pair and connect. The display and volume knob make control simple.
Can two people listen at the same time?
Classic Bluetooth only supports one device; Auracast allows multi-listening but requires compatible headphones or hearing aids.
Can I update the device myself?
Yes, firmware upgrades are easy via USB-C on your computer.
SPECIFICATIONS
| Bluetooth Version | Bluetooth 5.4 |
|---|---|
| Supported Audio Codecs | aptX Adaptive, aptX-HD, aptX, SBC, LC3 |
| Supported Bluetooth Profiles | A2DP, Auracast Broadcast |
| Audio Latency | 60ms~ |
| Audio Input | Optical (TOSLINK), 3.5 mm AUX |
| Operating Range | Up to 100ft (30m) |
| Input Voltage / Current | DC 5V/1A |
| Power Supply | USB charger or TV USB port |
| Power Port | USB-C |
| Firmware Upgradable | Yes (DFU support) |
| Product Size | 2.87 × 2.68 × 2.64in |
| Product Weight | 1.34oz |
TV Transmitters from Avantree
![]() Avantree Audikast 4 | ![]() Avantree Audikast 3 | ![]() Avantree Oasis Plus 2 | ![]() Avantree Orbit Pro |
|---|---|---|---|
| Customer Reviews | |||
| — | — | — | — |
| Price | |||
| — | — | — | — |
| Bluetooth Version | |||
| Bluetooth 5.4 | Bluetooth 5.3 | Bluetooth 5.3 | Bluetooth 5.0 |
| Transmitter / Receiver | |||
| Transmitter | Transmitter | Transmitter | Transmitter & Receiver |
| Hearing Aids Support | |||
| BT & Auracast Connection | Bluetooth Connection | Bluetooth Connection | Bluetooth Connection |
| Supported Audio Codecs | |||
| aptX AD & HD, aptX, SBC, LC3 | aptX-Adaptive, aptX, SBC | aptX adaptive, aptX, SBC | aptX LL, aptX, FastStream, SBC |
| Audio Input | |||
| Optical /AUX | Optical /AUX | Optical /AUX | HDMI/Optical /AUX |
| Auracast Broadcast | |||
| ? | ? | ? | ? |
| Firmware Updates | |||
| ? | ? | ? | ? |




































