Audikast 4HA Setup Guide

TaskChoose the first available TV Audio OUT. You will connect only one audio cable.

1. Check the TV labels

   Use an OUT port, never an IN port.

2. Choose Optical first

   Use OPTICAL or DIGITAL AUDIO OUT when available.

   Recommended

   

   →

   

3. No Optical? Use AUX

   Use HEADPHONES, AUX OUT or AUDIO OUT.

   

   →

   

4. No AUDIO OUT? Use an adapter
   HDMI ARC/eARC onlyUse the Avantree HAX06 HDMI ARC adapter ↗ to create an Optical output.

   RCA OUTUse an RCA-to-3.5 mm adapter.
   Requires a separate adapter.

✓DoneYou have chosen one TV audio output. Use the matching cable in Step 02.

If notSend Support a clear photo of all TV ports with the TV brand and model.

TaskPower Audikast 4HA, then connect only the cable chosen in Step 01.

1. Connect the USB-C power cable

   Plug the USB-C end into the Audikast 4HA power port.

   Plug the other end into either:

   • Powered TV USB port
   • 5 V USB wall adapter
2. Turn on Audikast 4HA

   Slide the power switch to ON.

   ✓

   ReadyThe power and indicator lights turn on.

   No lights? Reconnect both ends of the USB-C cable, then try another powered TV USB port or 5 V USB wall adapter.
3. Connect the cable chosen in Step 01

   Optical

   Use the purple square-ended cable: TV OPTICAL OUT → Audikast 4HA OPTICAL.

   Remove both clear tip covers.

   ✓

   ReadyBoth square plugs are fully inserted.

   

   AUX

   Use the blue round-ended cable: TV HEADPHONES / AUDIO OUT → Audikast 4HA AUX.

   ✓

   ReadyBoth round plugs are fully inserted.

   

✓DoneAudikast 4HA is on and the selected cable is connected. Keep it connected for Step 03.

If notNo lights: recheck the power cable and powered USB source. No connection: recheck both audio-cable ends and use a TV port labeled OUT.

✓DoneThe center Audio Signal light is solid white while TV audio plays.

If notOptical: recheck the TV OUT connection and PCM setting. AUX: raise the TV volume and recheck the AUDIO OUT connection.

TaskChoose the option that matches your listening device.

1. Hearing aids or an Auracast deviceHearing aids / Auracast · Step 05→
2. Traditional Bluetooth headphonesBluetooth headphones · Step 06→

✓DoneYou have opened the setup path for your listening device.

If notCheck whether your hearing aids or headphones support Auracast.

TaskCheck the lights, then join Audikast 4HA.

First useThe broadcast starts automatically after power-on.

1. 1Check the mode light
   Hearing aids

   Solid whiteLight off? Press the right Auracast button onceOrange? Press and hold until white

   Other Auracast devices

   Solid orangePress and hold until orange
   Hearing aids cannot join unless the mode light is solid white.
2. 2Check the audio signal
   Play TV audio

   Center Audio Signal light: solid whiteAudio is entering and broadcasting
3. 3Join the broadcast
   Hearing aids

   Open the brand app's Auracast Assistant or broadcast menu

   Other devices

   Open the device's Auracast controls

   Then select Audikast 4HA.

✓DoneYour Auracast device plays the TV audio.

If notConfirm the center Audio Signal light is solid white, then search again. Open hearing-aid connection help →

TaskPut Audikast 4HA and the headphones into pairing mode.

1. Start Audikast 4HA pairing

   On first use, Audikast 4HA starts in Auracast mode. Press the left Bluetooth button once.

   Ready: the Bluetooth indicator flashes red and blue quickly.
   Not flashing? If the indicator is on, press and hold the left Bluetooth button.
2. Start headphone pairing

   Put the Bluetooth headphones into pairing mode and keep them within 1 m / 3 ft.

   Powering on alone may not start pairing.
   Headphone pairing helpChoose brand

   AirPods / AirPods Pro

   Check the back of your case.

   There is a button

   AirPods 1–3 / AirPods Pro 1–2

   1. Open the case with your AirPods inside.
   2. Hold the button on the back for about 5 seconds.

   

   Ready when: the case light flashes white.

   There is no button

   AirPods 4 or 5 / AirPods Pro 3

   1. Open the case with your AirPods inside.
   2. Double-tap the front of the case.

   

   Ready when: the case light flashes white.

   AirPods Max

   1. Press and hold the noise control button for about 5 seconds.

   Ready when: the status light flashes white.

   Bose

   1. Turn on the headphones or open the earbud case.
   2. Hold the Bluetooth or power button until the light flashes blue or you hear “Ready to connect.”

   Ready when: the light flashes blue or the voice prompt confirms pairing.

   Beats

   1. Turn on the headphones.
   2. Hold the system or power button until the indicator flashes.

   Ready when: the indicator flashes for pairing.

   Sony

   1. With the headphones off, hold the power button for about 5 seconds.
   2. For Sony earbuds, use the case or touch-sensor pairing command for your exact model.

   Ready when: the light flashes blue or you hear “Bluetooth pairing.”

   Samsung Galaxy Buds

   1. Place both earbuds in the case, close it for 5–6 seconds, then open it.
   2. If pairing does not start, wear both earbuds and touch both touchpads until you hear the pairing sound.

   Ready when: the earbuds announce pairing or show their pairing pattern.

   JBL

   1. Hold the Bluetooth or power button until the indicator flashes rapidly.
   2. If JBL reconnects to a phone, turn that phone Bluetooth off and try again.

   Ready when: the indicator flashes rapidly.

   Other headphones

   1. Hold the power, Bluetooth, or main button until the light flashes rapidly.
   2. Check the headphone manual for the exact command if the light does not change.

   Ready when: the headphones show their documented pairing pattern.

3. Wait for connection

   Wait until the Audikast 4HA Bluetooth indicator stays solid blue.

   Solid blue means connected.

✓DoneThe Bluetooth indicator is solid blue and TV audio plays.

If notTurn off Bluetooth on nearby phones, keep the headphones within 1 m / 3 ft, and try again.