Avantree Audikast 2 Bluetooth Audio Transmitter
What’s in the Box?
- Transmitter – Audikast Plus
- Micro USB power/data cable
- Optical audio cable
- AUX 3.5mm audio cable
- AUX 3.5mm to RCA audio cable
Product overview
Any questions?
Please visit: support.avantree.com
(User Manuals, FAQ, Video Tutorials, and more)
Email support: [email protected] (Response Time: 1 working day)
Live chat: www.avantree.com
Dispose of the packaging and this product in accordance with the latest provisions.
LED Indication
Pair and connect to Bluetooth headphone/receiver
Powering up the transmitter
Power up the transmitter using the USB cable provided. Connect it to either the TV USB port (TV must be ON to provide power) or a 5V/500mA-2A rated USB charger (e.g., your phone charger should work).) Then slide the ON/OFF switch to ON. All LED lights will light up for 2 seconds upon powering on.
Note: Contact us at [email protected] for a FREE USB wall charger (for US / UK / EU ) if you need one.
Enter the transmitter into PAIRING MODE.
For first-time use, the transmitter will enter pairing mode automatically, and the next to will flash RED and BLUE alternately. For non-first-time use, press
and hold
for 1 second to enter pairing mode.
Enter your headphones/speakers into PAIRING MODE.
Please refer to the relevant user manual (Usually LED on the headphone flashes RED and BLUE alternately or flashes BLUE quickly)
Connecting
During the pairing process, keep the devices close to each other and wait. Once connected, the next to
will turn SOLID BLUE.
Reconnect
NO need to manually reconnect the transmitter to your device before each use. The transmitter will automatically reconnect to the last connected device within 5-10 seconds after both devices have been powered on. Alternatively, reboot the transmitter and wait 5 -10 seconds for them to reconnect.
If the next to
on the transmitter turns solid BLUE, it confirms that the connection between the transmitter and headphones is working normally. The next step is to feed the audio from your TV into the transmitter.
After you’ve connected the transmitter to your TV/audio while following the steps shown in the sections below, if you still cannot hear anything through your headphones, please either adjust your TV audio output setting as suggested or contact your TV manufacturer for support.
Check your TV/Audio Source output option.s
Connect the transmitter to your TV/audio source
TVs with DIGITAL OPTICAL/SPDIF Audio Out
After connecting your optical cable as above, go to your TV audio settings and change your “audio format” to “PCM”. Usually, now the “OPT” indicator on the Audikast Plus will change to SOLID WHITE, and now you should be able to hear your TV/audio source through your headphones.
If not:
- Ensure that your TV SOUND OUTPUT is set correctly: Samsung > Audio Out/Optical; LG > Optical Out.
- Ensure that your TV’s “DOLBY/DTS” is set to OFF (NOT auto.)
- Ensure the audio cable is good and fully plugged.
Note:
Please make sure that you keep the 3.5mm AUX jack “vacant” while using the OPTICAL out. (If anything is plugged into the AUX jack, the transmitter will default to the AUX signal and ignore any OPTICAL input.)
TVs with AUX 3.5mm Audio Out
After connecting your audio cable as above, once the VALID audio signal is detected, the “AUX” indicator on the Audikast Plus will light up SOLID WHITE, and you should be able to hear your TV/audio source through your headphones.
If not:
- Ensure your TV speaker setting is set to “Headset.”
- Plug a pair of wired headphones into the headphone jack you’re using with the Audikast Plus on TV. See if you can hear anything.
- Turn up the volume and see if it helps.
- Ensure the audio cable is good and fully plugged.
TVs with RCA Audio Out (Red/White ports labeled “AUDIO OUT “,3.5mm to RCA cable purchase separately)
After connecting your audio cable as above, once the VALID audio signal is detected, the “AUX” indicator on the Audikast Plus will light up SOLID WHITE, and you should be able to hear your TV/audio source through your headphones;
If not:
- Ensure that you’re using the TV Red/White ports labeled “AUDIO OUT”; other Red/White ports will NOT work.
- Ensure that your TV Speaker setting is set to “External Speaker.”
- Plug a pair of wired headphones into the RCA jack you’re using with the Audikast Plus on TV. See if you can hear anything.
- Turn up the volume and see if it helps.
Receiver with 6.35mm Phone Jack at Front
Notes:
- If you’d like to connect the Audikast Plus to your AV Receiver, please ONLY use the “PHONES” jack on the front side of your receiver to avoid damaging the Audikast Plus. You WILL need to purchase an additional “6.35mm to 3.5mm” adapter.
- To avoid damaging your hearing, we recommend turning down the volume of your receiver before use.
PC/Laptop with USB Output
Note:
If you’d like to use a USB cable that’s not provided by us, please ensure that the USB cable supports both data syncing and power.
After connecting the micro USB cable as above, you should be able to hear from your computer through your headphones, and the “USB” indicator on the transmitter will light up; if not, right-click the speaker icon on the bottom-right corner of the PC/laptop screen and select “Playback devices.” In there, set “Avantree Audikast Plus” as “Default Device.”
To use the Audikast Plus as a microphone device, please go to your audio settings and select “Avantree Audikast Plus” as “Microphone and Speaker device.”
Add a 2nd pair of Bluetooth headphones
- Step 1: Pair and connect the transmitter to the1st Bluetooth headphone.
- Step 2: Enter the transmitter into PAIRING MODE manually – press and hold
for 1 second. The
and
will flash RED and BLUE alternately.
- Step 3: Place your 2nd set of headphones into Bluetooth PAIRING MODE (please refer to your 2nd headphones’ user manual).
- Step 4: Keep the two devices close to each other and wait. Once connected, the close to B on the transmitter will turn SOLID BLUE.
Clear pairing history
Press and hold both + and – simultaneously for 7 seconds. BOTH of the indicators will light up BLUE and RED (looks like PINK) for 5 seconds, indicating that the history has been cleared.
Adjust volume
Click or press volume control +/- once to adjust the volume. “Beep” sounds indicate that it has reached the max/min volume level.
FAQS
Not working/ no sound
- The Audikast Plus and headphones are not connected properly
Re-pair and connect them. Once connected successfully,close to
/
turn SOLID BLUE.
- No audio signal into the Audikast Plus
Please adjust your TV audio output setting as suggested in Point 3. Connect the transmitter to your TV/audio source or contact your TV manufacturer for support.
Audio delay
Bluetooth headphone is NOT aptX LL supported – If your Bluetooth headphone does not support aptX LOW LATENCY (e.g., Bose, Beats, Sony), it will work with the Audikast Plus using SBC or aptX codec and will experience a 70-220ms latency.
Short range/audio cuts
- Unstable Bluetooth connection – Clear paired history of BOTH Audikast Plus and headphones.
- Wireless signal interference – Move away from any potential wireless interference devices, such as the WIFI router, Apple TV, Chromecast stick, Roku stick, any other RF audio transmitters, etc.
- Short work range of headphone – Work range is decided by devices on BOTH ends. Please test the work range of the headphone is ok – test it with your smartphone.
- Source issue – When you play an internet source from PC, Mac, or cellphone, quite often, the audio cuts are Internet bandwidth/speed related. Please test with local source Bluetooth streaming and check again.
For more manuals by Avantree, visit ManualsLibraryy
Avantree Audikast 2 Bluetooth Audio Transmitter- FAQs
What is Avantree Audikast 2?
Avantree Audikast 2 is a Bluetooth audio transmitter that connects to your TV, PC, or other audio devices via USB, optical, or AUX ports and wirelessly streams sound to Bluetooth headphones or speakers.
How do I use the Avantree Audikast 2?
Plug it into your device’s audio output, power it on, and put it in pairing mode. Then, set your Bluetooth headphones or speakers to pairing mode and connect them.
How does a Bluetooth audio transmitter work?
It captures audio from your TV or other sources and wirelessly transmits it over Bluetooth to your headphones or speakers. This adds wireless functionality to devices that don’t have built-in Bluetooth.
Why are my Avantree headphones not connecting?
Ensure your headphones are in pairing mode with flashing LED lights, keep them within 3 meters for initial pairing, and check for interference from Wi-Fi or other devices. If problems persist, reset the transmitter.
How do I reset the Avantree Audikast 2?
Press and hold the “+” and “-” buttons together for about 7 seconds until the LEDs flash pink, then turn off. This clears pairing history and restores factory settings.
What is the battery life of Avantree devices?
Most Avantree headphones last between 8–15 hours per charge, while the transmitter itself is powered directly via USB and doesn’t rely on a built-in battery.
Do I need Wi-Fi to use Avantree Audikast 2?
No, Wi-Fi is not required. The transmitter uses Bluetooth technology, which works independently for short-range wireless audio streaming.
Which country is Avantree from?
Avantree is a global brand headquartered in San Jose, California, USA, specializing in wireless audio solutions.