

Will this work with my TV?
It works with TVs that have optical or AUX audio output. If your TV only has HDMI ARC, you’ll need the Avantree HAX06 HDMI ARC Audio Extractor.
Can I use this with my hearing aids?
It only works with Auracast-enabled hearing aids. Please check the compatible models shown in Image 7 before purchase.
Can I hear sound from my headphones and TV speakers together?
It depends on your TV. When using optical connection, about 80% of TVs can play sound from both TV speakers and headphones.
Can I connect two Bluetooth headphones at the same time?
No. In Bluetooth mode, it supports one pair of headphones only. For multiple listeners, switch to Auracast mode – it can stream to unlimited Auracast headphones.
Can I use this with my soundbar too?
No, it does not work directly with soundbars. To use it with a soundbar, you’ll need the Avantree HAX06 HDMI ARC Audio Extractor.
Unboxing video for audikast 4
Merchant Video
SPECIFICATIONS
TV Transmitters from Avantree

Will this work with my TV?
It works with TVs that have optical or AUX audio output. If your TV only has HDMI ARC, you’ll need the Avantree HAX06 HDMI ARC Audio Extractor.
Can I use this with my hearing aids?
It only works with Auracast-enabled hearing aids. Please check the compatible models shown in Image 7 before purchase.
Can I hear sound from my headphones and TV speakers together?
It depends on your TV. When using optical connection, about 80% of TVs can play sound from both TV speakers and headphones.
Can I connect two Bluetooth headphones at the same time?
No. In Bluetooth mode, it supports one pair of headphones only. For multiple listeners, switch to Auracast mode – it can stream to unlimited Auracast headphones.
Can I use this with my soundbar too?
No, it does not work directly with soundbars. To use it with a soundbar, you’ll need the Avantree HAX06 HDMI ARC Audio Extractor.
Unboxing video for audikast 4
Merchant Video
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 | |||
| ? | ? | ? | ? |




































