Best for
- One pair of ANC earbuds for TV, music, calls, and videos
- Optical or AUX TV connections
- Sharing TV audio with compatible Auracast receivers
SHIPPING
2-5 business days. Free returns within 60 days with a prepaid label upon request.
Audikast Infinity NC | Auracast TV Earbuds Set
ANC earbuds and an Auracast TV transmitter for private, low-latency listening from compatible Optical/TOSLINK or 3.5 mm AUX audio outputs.
Regular price
$149.99
- MULTI-USE EARBUDS FOR TV AND EVERYDAY LIFE
Use one pair of ANC earbuds for TV, music, videos and calls. Connect with the included Audikast 4 transmitter or pair directly with your phone. - ANC, CLEAR CALLS AND 6 EQ MODES
Reduce background noise with ANC, take clear calls through built-in microphones, and choose Pop, Rock, Vocal, Live, Classical or Bass EQ in the Avantree app. - EVERYDAY EARBUDS, NOW TV-READY
Hear TV at your preferred volume without turning up the speakers. Connect the transmitter through Optical or AUX for clear, low-latency audio that stays in sync. - TAKE CALLS WHILE WATCHING TV
Answer phone calls directly through the earbuds. When the call ends, the earbuds automatically reconnect to your TV audio, so you can continue watching. - AURACAST & TV COMPATIBILITY
TV requires Optical/TOSLINK or AUX; HDMI-only TVs and soundbar passthrough are unsupported. Set Optical audio to PCM/Stereo. Auracast devices must support broadcast audio.
- TV connection: Optical/TOSLINK or 3.5 mm AUX audio output is required.
- Optical audio setting: Set the TV output format to PCM or Stereo.
- Auracast: Works with compatible Auracast broadcast-audio receivers. Compatibility varies by device.
- Classic Bluetooth: Audikast 4 connects to one classic Bluetooth headphone or speaker at a time.
- Phone use: Infinity NC can be used independently with compatible phones, tablets and computers for audio and calls.
- Fit note: The secure in-ear design may feel too large or snug for especially small or sensitive ears. Fit varies by ear shape.
- Audikast 4 TV transmitter
- Infinity NC black ANC earbuds with charging case
- Optical audio cable
- 3.5 mm AUX audio cable
- USB-C power/data cables and supplied ear tips
In Stock—Estimated delivery
3–7 business days
$149.99
Check before buying
- HDMI-only TVs
- Soundbar passthrough setups
- Especially small or sensitive ears that may find the secure fit too snug
Before buying
TV & device compatibility
Check the TV audio output, listener type, and simultaneous-speaker needs before purchase.
Optical / TOSLINK
Supported
Set the TV to PCM/Stereo.
3.5 mm AUX
Supported
Connect through Audikast 4.
HDMI-only TV
Not supported directly
Use an audio extractor.
Not sure about your TV setup?
Confirm the exact TV ports and audio settings before buying.
For Optical/TOSLINK connections, set the TV digital audio format to PCM or Stereo unless the product page says otherwise.
View detailed compatibilityTap to open
| TV audio | ||
|---|---|---|
| Optical / AUX | Supported | Use the included Audikast 4 transmitter. |
| Listening | ||
| Compatible Auracast receivers | Supported | Compatibility varies by device. |
| Classic Bluetooth receiver | One at a time | Audikast 4 connects to one classic Bluetooth headphone or speaker. |
| Soundbar | ||
| Audio passthrough | Not supported | Simultaneous TV speakers depend on the TV. |
Product highlightsTap to open
- Everyday ANC earbudsUse Infinity NC for TV, phone music, videos, and calls.
- Low-latency TV audioConnect through Optical or AUX for synchronized sound.
- Six EQ modesChoose an EQ in the Avantree app.
- TV + phone callsAnswer calls and return to TV audio afterward.
SpecificationsTap to open
- Transmitter
- Bluetooth 5.4 with Auracast and Classic Bluetooth
- TV inputs
- Optical/TOSLINK, 3.5 mm AUX
- Latency
- 50–60 ms with Infinity NC
- Earbud playtime
- Up to 8 hours
- Noise cancelling
- Hybrid ANC
- Auracast range
- Up to 100 m / 330 ft in open conditions
Works withTap to open
Add-ons
Compatible add-ons and additional listeners for this product.
What's in the boxTap to open
- Audikast 4 TV transmitter
- Infinity NC ANC earbuds with charging case
- Optical audio cable
- 3.5 mm AUX audio cable
- USB-C power/data cables
- Ear tips
Frequent Ask QuestionsTap to open
Will it work with my TV?
Yes if the TV has Optical/TOSLINK or 3.5 mm AUX output.
Can I use Infinity NC with my phone?
Yes, for music, videos, and calls.
Can more than one person listen?
Multiple compatible Auracast receivers can join; Classic Bluetooth supports one receiver at a time.
Does it support a soundbar passthrough?
No. Audikast 4 does not provide soundbar passthrough.
ComparisonTap to open
| Buying difference | ||
|---|---|---|
| Fit | In-ear | Open-ear |
| ANC | Yes | No |
| Playtime | Up to 8 hr | Up to 18 hr |
| Soundbar passthrough | No | Yes |
Looking for Venue Event Devices?
You are probably looking for
Venucast
— Assistive Listening, Instant Venue Audio & Guided Tour Systems.
Assistive Listening
Instant Venue Audio
Guided Tour
- Choosing a selection results in a full page refresh.