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Interactive user guide

Audikast 4HA Setup Guide

TV audio setup

Choose a TV audio output, then connect with Auracast or Bluetooth.

TV
Optical / AUX
Audikast 4HA TV audio transmitterAudikast 4HA
Auracast /
Bluetooth
Hearing aids
or headphones
Start setupFix a problem
1

Step 01

Connect your TV

Choose one audio cable: Optical or AUX. Use an audio OUT port on your TV.

Optical

Recommended
TV Optical Digital Audio Out square port
OPTICAL / DIGITAL AUDIO OUT
Audikast 4HA Optical cable with purple square ends
Optical cablePurple tips

Remove both clear cable tip covers.

Watch Optical video

Plug both ends in fully.

TV
OPTICAL / DIGITAL AUDIO OUT
Audikast 4HA
OPTICAL

OR

AUX (3.5 mm)

Use AUX if your TV has no Optical OUT.

TV Headphones audio output round port with blue ring
HEADPHONES / AUX OUT / AUDIO OUT
Audikast 4HA AUX cable with blue round ends
AUX cableBlue ends
Watch AUX video

Plug both ends in fully.

TV
HEADPHONES / AUX OUT / AUDIO OUT
Audikast 4HA
AUX
Only RCA or HDMI ARC/eARC?

RCA AUDIO OUT: Use an RCA-to-3.5 mm adapter and follow the AUX instructions above.

HDMI ARC/eARC: Use the Avantree HAX06 HDMI ARC adapter ↗ and follow the Optical instructions above.

Adapters are separate accessories.

DoneOne audio cable connects the TV’s OUT port to the matching input on Audikast 4HA.

If notCheck the port labels and push both plugs in fully. Can’t find a matching OUT port? Send Support a photo of the TV ports and your TV model.

2

Step 02

Power on Audikast 4HA

Watch: connect power and switch ON.

  1. Connect power

    Plug the USB-C cable into the Audikast 4HA power port. Plug the other end into either:

    • A powered TV USB port
    • A 5 V USB wall adapter

    USB supplies power only. TV sound uses the Optical or AUX cable.

  2. Switch ON

    Slide the power switch to ON.

    ReadyThe power and indicator lights turn on.
No lights?

With the switch ON, reconnect both ends of the USB-C cable. Try another powered TV USB port or a 5 V USB wall adapter.

Still no lights? Contact Support.

3

Step 03

Set TV sound and check the signal

Use the card that matches the cable connected in Step 01. Then check the Audio Signal light.

Optical

Set the TV to PCM

Open
Settings → Sound
Sound output
Optical, External Speaker or Audio System
Audio format
PCM or Stereo
Do not use Dolby, DTS, Auto or Bitstream.
Open the TV PCM guide
AUX

Select Audio Out and raise the volume

Sound output
Headphones or Audio Out
TV volume
Raise the volume
Final check

Check the Audio Signal light

Play a TV program with speaking voices.

ReadyThe center Audio Signal light stays solid white.
Want TV speakers on too?

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.

5

Step 05

Connect with Auracast

  1. Check the right Auracast light

    Hearing aids: solid white.
    Other Auracast devices: solid orange.

    Light off? Press the right Auracast button once.
    Wrong color? Hold it until the color changes.

  2. Play TV audio

    The center Audio Signal light should stay solid white.

  3. Join Audikast 4HA

    Hearing aids: Choose your brand for the steps in your app.

    Choose your hearing-aid brand
    JabraReSoundOticonStarkeyPhilipsBeltoneWidexCochlearDanalogicBernafonNuEarPhonakFortell
    Brand not listed? Check Auracast compatibility

    Other Auracast devices: Open Auracast on your device and select Audikast 4HA.

DoneYou hear the TV through your hearing aids or Auracast device.

Can’t join or hear the TV?

Check both lights above, then reopen Auracast and search again. On first use, the broadcast starts automatically after power-on.

Open hearing-aid connection help →

6

Step 06

Pair Classic Bluetooth

  1. Start Bluetooth pairing

    First use: Press the left Bluetooth button once.

    Ready: The Bluetooth light flashes red and blue quickly.
    Light on but not flashing? Hold the left Bluetooth button.

  2. Put your headphones in pairing mode

    Keep them within 1 m / 3 ft. Turning them on 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.
    AirPods case rear setup button held until the front status light flashes white

    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.
    AirPods 4 or 5, or AirPods Pro 3 case front double-tapped until the status light flashes white

    Ready when: the case light flashes white.

    AirPods Max

    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. Listen for TV sound

    Wait for the Bluetooth light to turn solid blue, then play TV audio.

DoneYou hear the TV through your headphones.

Headphones won’t connect?

Turn off Bluetooth on nearby phones and try pairing again within 1 m / 3 ft.

Quick help

Fix the common problems

01No TV sound through the listening device02Hearing aids cannot join or reconnect03Hearing aids stutter or work intermittently
More Quick Fixes

Firmware update

Update Audikast 4HA

  1. Download the Firmware Update Tool on a Windows/Mac computer.

  2. Connect Audikast 4HA to your computer with a USB data cable.

    Firmware update cable: Use the gray-tip cable (a USB cable that supports data transfer) that came with your device.
    Mac users can also use an Apple charging cable.

  3. Open the Firmware Update Tool.

    Follow the on-screen instructions.

    Keep Audikast 4HA connected until it says Complete.

After updating: reset Audikast 4HA.
Download Firmware Update Tool Notify me about updates
Rename & encrypt

Customize the Auracast broadcast.

Rename or protect the Audikast 4HA broadcast from the Firmware Update Tool ↑

Setting screen with the Audikast 4HA Broadcast Name field highlighted.

Rename the broadcast

Open Setting, edit Broadcast Name, then select Click to apply Settings.

Setting screen with the Audikast 4HA Encryption menu highlighted.

Encrypt the broadcast

In Setting, choose Encrypted (User-defined), enter a passcode, then select Click to apply Settings.