Audikast 4HA Auracast TV Transmitter Optimized for Auracast hearing aids, compatible with via optical or AUX connection
Audikast 4HA Auracast TV Transmitter Optimized fo Auracast hearing aids. Connects multiple Auracast-enabled hearing aids.
Audikast 4HA Auracast TV Transmitter Optimized for Auracast hearing aids. Works with Multiple Auracast Enabled Hearing Aids and avantree Auracast
Audikast 4HA | Auracast TV Transmitter
Audikast 4HA Auracast TV Transmitter, optimized for Auracast hearing aids with optical and AUX input for TVs, PCs, and audio devices, no HDMI.
Audikast 4HA Auracast TV Transmitter Optimized fo Auracast hearing aids. Qualcomm, Bluetooth 5.4, AptX Adaptive, with firmware upgradability.
Audikast 4HA Auracast TV Transmitter Optimized for Auracast hearing aids, compatible with via optical or AUX connection
Audikast 4HA Auracast TV Transmitter Optimized fo Auracast hearing aids. Connects multiple Auracast-enabled hearing aids.
Audikast 4HA Auracast TV Transmitter Optimized for Auracast hearing aids. Works with Multiple Auracast Enabled Hearing Aids and avantree Auracast
Audikast 4HA | Auracast TV Transmitter
Audikast 4HA Auracast TV Transmitter, optimized for Auracast hearing aids with optical and AUX input for TVs, PCs, and audio devices, no HDMI.
Audikast 4HA Auracast TV Transmitter Optimized fo Auracast hearing aids. Qualcomm, Bluetooth 5.4, AptX Adaptive, with firmware upgradability.

Audikast 4HA | Auracast TV Transmitter

Auracast TV Transmitter for Hearing Aids

Stream TV audio to selected compatible Auracast hearing aids and other Auracast listening devices through Optical or AUX.

$79.99
Variation
Version: Audikast 4HA: Optimized for Hearing Aids
Audikast 4HA
Audikast 4HA: Optimized for Hearing Aids
Audikast 4T
Audikast 4T: Optimized for Hearing Aids
Subtotal: $79.99

Add-on & Accessories:

Aria Aura T | Wireless Auracast TV Headphones
Loop | Auracast Neckband Earbuds with Charging Dock
Pebble Aura | Open-Ear Auracast TV Earbuds
Infinity NC | Auracast & ANC Earbuds with App
See more
  • 2-Year Warranty
  • 60-Day Returns
  • Bulk Discounts
  • Fast Shipping
Price $79.99
Firmware Updates
Setup & Support
Audikast 4HA Auracast TV Transmitter Optimized for Auracast hearing aids, compatible with via optical or AUX connection

Audikast 4HA | Auracast TV Transmitter

$79.99
Audikast 4HA Auracast TV Transmitter Optimized for Auracast hearing aids, compatible with via optical or AUX connection
Audikast 4HA Auracast TV Transmitter Optimized fo Auracast hearing aids. Connects multiple Auracast-enabled hearing aids.
Audikast 4HA Auracast TV Transmitter Optimized for Auracast hearing aids. Works with Multiple Auracast Enabled Hearing Aids and avantree Auracast
Audikast 4HA | Auracast TV Transmitter
Audikast 4HA Auracast TV Transmitter, optimized for Auracast hearing aids with optical and AUX input for TVs, PCs, and audio devices, no HDMI.
Audikast 4HA Auracast TV Transmitter Optimized fo Auracast hearing aids. Qualcomm, Bluetooth 5.4, AptX Adaptive, with firmware upgradability.

Audikast 4HA | Auracast TV Transmitter

$79.99

Best for

  • TVs with Optical/TOSLINK or 3.5 mm AUX output
  • Selected compatible Auracast hearing aids
  • One regular Bluetooth headphone in classic Bluetooth mode
  • Hearing aids without Auracast when used with a compatible bridge device such as AuraCoil or C83

Not for

  • TVs with only HDMI ARC/eARC, unless a compatible HDMI audio extractor is added
  • Users who want to connect two classic Bluetooth headphones at the same time
  • Older hearing aids that do not support any wireless audio technology

Before buying

TV & listener compatibility

Connect the TV by Optical or AUX, then choose the wireless mode that matches the listener device.

Optical / TOSLINK Works directly Set the TV digital audio format to PCM/Stereo.
3.5 mm AUX Works directly Use the TV headphone or audio output, not an audio input.
HDMI ARC / eARC Accessory required Audikast 4HA has no HDMI input; use HAX06 or another compatible HDMI audio extractor.
Not sure about your hearing aids? Selected Auracast hearing aids connect directly. Other hearing aids require a compatible bridge device such as AuraCoil or C83.
Check hearing aid compatibility

Classic Bluetooth mode supports one compatible headphone. A Bluetooth headphone and Auracast hearing aids cannot be used at the same time.

Full compatibility detailsTap to open
TV input
Optical / TOSLINK Supported directly Use PCM/Stereo audio.
3.5 mm AUX Supported directly Connect to the TV audio output.
HDMI ARC / eARC Accessory required Use HAX06 or another compatible HDMI audio extractor.
Listener
Selected Auracast hearing aids Check exact model Use the compatibility checker before purchase.
Other Auracast receivers Supported Connect compatible Auracast receivers to the broadcast.
One Bluetooth headphone Supported Use classic Bluetooth mode.
Non-Auracast hearing aids Bridge device required Use a compatible bridge device such as AuraCoil or C83.
TV audio
PCM / Stereo Supported Required for Optical input.
Dolby / DTS Not supported Change the TV output format to PCM/Stereo.
Shared listening
TV speakers Depends on TV Some TVs can output to speakers and Optical/AUX simultaneously.
Soundbar May need an accessory A splitter or HDMI audio extractor may be required.

Hearing aids: Confirm the exact model in the compatibility checker. Non-Auracast hearing aids require a compatible bridge device such as AuraCoil or C83.

HDMI-only TVs: Add a compatible HDMI ARC audio extractor such as HAX06.

Optical audio: Set the TV digital audio output to PCM/Stereo.

Product highlightsTap to open
  1. Made for selected Auracast hearing aidsBroadcast TV audio directly to supported Auracast hearing aids and listening devices.
  2. Optical or AUX TV connectionConnect through the TV's Optical/TOSLINK or 3.5 mm audio output.
  3. Bluetooth 5.4 dual-mode listeningUse Auracast receivers or switch to classic Bluetooth mode for one compatible headphone.
  4. Managed broadcastSupport for a custom broadcast name, encryption, QR pairing, and firmware updates.
SpecificationsTap to open
Bluetooth version
Bluetooth 5.4
Auracast codec
LC3
Auracast profiles
BAP, PACS, ASCS, TMAP
Classic Bluetooth codecs
aptX Adaptive, aptX HD, SBC
Latency
Approx. 60 ms (LC3), 40 ms (aptX Low Latency), 160 ms (SBC)
Wireless range
Up to 25 m / 82 ft, line of sight
TV inputs
Optical / TOSLINK; 3.5 mm AUX
Optical format
PCM, 32–48 kHz, 16–24 bit
AUX input level
0.15–1.0 Vpk
TV audio format
PCM only; Dolby and DTS are not supported
SKU
BTTC-480-HA
Product weight
0.153 kg
Product dimensions
11 × 20 × 2.4 cm
Works withTap to open

Add-ons

Auracast listening devices that can receive the Audikast 4HA broadcast.

Aria Aura T | Wireless Auracast TV HeadphonesAria Aura T | Wireless Auracast TV HeadphonesCompatible listener Loop | Auracast Neckband Earbuds with Charging DockLoop | Auracast Neckband Earbuds with Charging DockCompatible listener Pebble Aura | Open-Ear Auracast TV EarbudsPebble Aura | Open-Ear Auracast TV EarbudsCompatible listener Infinity NC | Auracast & ANC Earbuds with AppInfinity NC | Auracast & ANC Earbuds with AppCompatible listener

Bridge Accessories

Adds a compatible audio path for HDMI-only TVs or hearing aids that do not receive Auracast directly.

HAX06 | Hdmi Arc Audio Extractor PassthroughHAX06 | Hdmi Arc Audio Extractor PassthroughBridge accessory

Others

Replacement connection and power accessories.

Type C sync & charge cableType C sync & charge cableOptional accessory USB Power AdapterUSB Power AdapterOptional accessory 3.5mm audio cable3.5mm audio cableOptional accessory Optical cableOptical cableOptional accessory
What's in the boxTap to open
  • Audikast 4HA transmitter
  • USB-C data and power cable
  • 3.5 mm audio cable
  • Optical audio cable
Frequent Ask QuestionsTap to open
Will it work with my TV?

It connects directly to Optical/TOSLINK or 3.5 mm AUX audio outputs. An HDMI-only TV needs a compatible HDMI audio extractor.

Will it work with my hearing aids?

Selected compatible Auracast hearing aids connect directly. Check the exact model before purchase. Other hearing aids require a compatible bridge device such as AuraCoil or C83.

Can I use a regular Bluetooth headphone?

Yes. Classic Bluetooth mode supports one compatible Bluetooth headphone, but a Bluetooth headphone and Auracast hearing aids cannot be used at the same time.

Why is there no sound from Optical?

Set the TV digital audio format to PCM or Stereo. Dolby and DTS are not supported.

Can I keep the TV speakers or soundbar on?

It depends on the TV. Some TVs support simultaneous speaker and Optical/AUX output; others may require a splitter or HDMI audio extractor.

Support Questions
ComparisonTap to open
Choose by need
Audikast 4HA Audikast 4HA
Audikast 4T Audikast 4T
Best forSelected compatible Auracast hearing aidsAuracast or Bluetooth listeners
TV inputsOptical, AUXOptical, AUX
Classic BluetoothOne headphoneOne headphone
HDMI inputNo; extractor requiredNo; extractor required
TV audio formatPCM onlyPCM only
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