Audikast 4HA Auracast TV Transmitter Optimized for Auracast hearing aids, compatible with via optical or AUX connection
Auracast TV transmitter for compatible hearing aids

Audikast 4HA

Audikast 4HA sends optical or AUX television audio to compatible Auracast hearing aids and supported listening devices.

Optical and 3.5mm AUX TV inputsUp to 25m / 82ft LOS published rangeCompatible Auracast hearing aids listening devices
$79.99

Firmware Update Alerts

Get notified when new Audikast 4HA firmware is available.

Firmware updates only. No marketing emails.
Check compatibility Guided enquiry
Fast Local Delivery1-3 Business Days
60-Day Free ReturnsHassle-Free
Free Setup SupportVenue Specialist Included
  • For Compatible Auracast Hearing Aids – Stream TV audio directly to supported hearing aids and Auracast listening devices.
  • Optical & AUX TV Inputs – Connect common PCM optical and 3.5mm television audio outputs.
  • Listen at Your Own Volume – Adjust the listening level through the hearing aid or its companion app.
  • Named & Protected Broadcasts – Use supported firmware tools to customize the broadcast name and passcode.
  • Firmware Upgradable – Update through USB-C as supported compatibility and features evolve.
  • Compatibility Check Required – Non-Auracast hearing aids cannot join the broadcast.
Setup & Support Firmware Update
Audikast 4HA $79.99

01 · Build your system

Complete the system

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02 · How it works

How it works with your devices

Audio sources

TV optical PCM3.5mm AUXComputer / media player

Product

Audikast 4HA
Audikast 4HA

Listener pathways

  • Auracast hearing aidsJoin the TV broadcast from a compatible hearing-aid app or supported device.
  • Auracast receivers and headphonesCompatible Auracast listening products can join the same broadcast.
  • Bluetooth headphonesBluetooth Classic mode supports compatible headphones when hearing aids are not in use.

Confirm the exact hearing-aid or listener model before purchase. Non-Auracast hearing aids cannot join the Auracast broadcast.

03 · Where it fits

Where it fits

TV Listening

Send optical or AUX television audio directly to compatible Auracast hearing aids.

Shared Home Audio

Let compatible listeners hear the same program at their preferred volume.

Hearing Aid Support

Provide a hearing-aid-focused Auracast source for supported models.

Private Broadcasts

Use supported firmware settings for a named or passcode-protected broadcast.

Best suited to home television and personal shared listening. It is not a large-venue transmitter.

Watch the product video

04 · Product details

Product details

Key specifications

Bluetooth version
Bluetooth 5.4
Wireless modes
Auracast LE Audio and Bluetooth Classic
Audio codecs
LC3, aptX Adaptive, aptX HD, SBC
Typical latency
Approx. 60ms LC3 / 40ms aptX Low Latency / 160ms SBC
Audio inputs
Optical PCM and 3.5mm AUX
Published range
Up to 25m / 82ft line of sight
TV audio format
PCM only; Dolby and DTS are not supported
Firmware upgrade
Supported by USB-C DFU

Simple setup

  1. 1Connect the TV audio outputConnect optical PCM or 3.5mm AUX audio and power the transmitter by USB-C.
  2. 2Select the Auracast broadcastUse the compatible hearing-aid app or listener controls to find and join the broadcast.
  3. 3Confirm sound and TV settingsCheck the listening level and confirm whether the TV speakers remain active on the selected output.
In the box
  • 1 x Audikast 4HA Transmitter
  • 1 x USB-C Data & Power Cable
  • 1 x 3.5mm Audio Cable
  • 1 x Optical Audio Cable

05 · Compare

Compare alternatives

FeatureCurrent productAudikast 4HAOasis Aura
Bluetooth technologyAuracast + Bluetooth transmitterAuracast transmitter
Listening devicesAuracast hearing aids and compatible headphonesAuracast hearing aids and receivers
Primary useHome TV listeningPublic and small-venue listening
Audio inputsOptical and 3.5mm AUXBluetooth, optical, 6.35mm and 3.5mm AUX
Broadcast name / passcodeSupported through firmware toolsSupported through PC setup tool
Firmware updatesYesYes

06 · Common questions

Common questions

What is Audikast 4HA designed for?

Audikast 4HA sends TV audio to compatible Auracast hearing aids and supported Auracast listening devices through optical or AUX input.

What is included in the box?

The box includes the Audikast 4HA transmitter, a USB-C data and power cable, a 3.5mm audio cable and an optical audio cable.

Will it work with my hearing aids?

It works only with hearing aids that support Auracast. Check the compatibility information before purchase.

Can my family still hear the TV speakers?

It depends on the TV. Some models can use speakers and optical or AUX simultaneously, while others mute their speakers.

What if my TV only has HDMI ARC?

A compatible HDMI ARC audio extractor may be required to provide optical or AUX audio.

Does it pair like regular Bluetooth?

In Auracast mode, select the broadcast through the hearing-aid app or compatible listening device rather than using traditional Bluetooth pairing.