Phonak Audéo Infinio Ultra Sphere
Dedicated AI chip that separates voices from noise in real time
Audéo Infinio Ultra Sphere pairs Phonak's ERA chip with a second DEEPSONIC chip that runs Spheric Speech Clarity 2.0, a deep neural network that separates speech from noise from any direction. It is slightly larger than the standard Infinio R and comes in two premium levels.
- Hearing loss
- Mild to profound
- Connectivity
- Bluetooth Classic to iPhone, Android and up to 8 paired devices (2 connected at once)
- Battery
- Up to 18 hours
- Style
- Receiver-in-canal
18h
Battery · rechargeable
3.5h
Charge · full charge
IP68
Water · rated
Hands-free
Calls · phone calls
Who it's good for
Is Audéo Infinio Ultra Sphere right for you?
Our audiologists' guide to how this model suits different lifestyles, based on its features. Your hearing test results matter most, so we'll always confirm at your appointment.
-
Everyday real world
5/5
AI noise handling switches in automatically when it gets loud, so it suits varied days.
Best for everyday → -
TV turner-uppers
4/5
Streams TV through the Phonak TV Connector; no Auracast support.
Best for TV → -
Golfers and outdoors
4/5
IP68 and WindBlock help outdoors, and the battery lasts a round even with some AI use.
Best for golf → -
Socialites
5/5
Spheric Speech Clarity 2.0 is purpose-built for conversation in restaurants and groups.
Best for social → -
Phone and video calls
5/5
Hands-free calls: the hearing aid microphones pick up your voice, so the phone stays in your pocket.
Best for calls → -
Music lovers
3/5
Streams music in stereo from your phone.
Best for music → -
Active and sporty
4/5
IP68 rated against sweat, rain and dust.
Best for active → -
Tinnitus sufferers
4/5
Built-in Phonak Tinnitus Balance, adjustable from the app.
Best for tinnitus →
The interesting technical bits
What's inside
- DEEPSONIC chip running Spheric Speech Clarity 2.0
- AutoSense OS 7.0 with Spheric Speech in Loud Noise programme
- Universal Bluetooth Classic, hands-free calls
- IP68, 3.0 g, EasyGuard domes
- Portable ChargerGo RIC Sphere I option
- Tinnitus Balance and WindBlock
About Phonak Audéo Infinio Ultra Sphere
Audéo Infinio Ultra Sphere pairs Phonak's ERA chip with a second DEEPSONIC chip that runs Spheric Speech Clarity 2.0, a deep neural network that separates speech from noise from any direction. It is slightly larger than the standard Infinio R and comes in two premium levels.
Specifications
From manufacturer information, checked October 2026. Battery figures vary with streaming and settings. Your audiologist will confirm the right receiver, dome and settings at your fitting.
| Brand | Phonak |
|---|---|
| Family | Audéo Infinio |
| Style | Receiver-in-canal |
| Launched | 2025 |
| Chip / platform | Infinio / ERA + DEEPSONIC chips |
| Technology levels | I90, I70 |
| Hearing loss range | Mild to profound |
| Power | Lithium-ion rechargeable (built-in) |
| Battery life | Up to 18 hours |
| Battery notes | Datasheet expected operating time 18 hours; Phonak quotes up to 56 hours maximum (without Spheric Speech Clarity or streaming) and at least 16 hours with 3 hours of Spheric Speech Clarity plus 5 hours of streaming |
| Full charge | 3.5 hours |
| Quick charge | 1 hour charge gives 40%, 2 hours gives 70% |
| Streaming | Bluetooth Classic to iPhone, Android and up to 8 paired devices (2 connected at once) |
| Hands-free calls | Yes |
| Auracast broadcast audio | No |
| Water and dust rating | IP68 |
| App | myPhonak |
| Tinnitus support | Yes |
| AI and smart features | Spheric Speech Clarity 2.0 on the dedicated DEEPSONIC DNN chip, plus AutoSense OS 7.0 |
| Available colours | Sand Beige, Sandalwood, Chestnut, Champagne, Silver Grey, Graphite Grey, Velvet Black |
More Phonak hearing aids
-
Phonak
Phonak Audeo EON Sphere
Receiver-in-canal · Rechargeable
Phonak's EON-platform RIC with the HYPERSONIC AI chip and Spheric Speech Clarity 3.0 - 25% smaller, 20% lighter and up to 38 hours per charge.
View details → -
Phonak
Phonak Audéo EON R
Receiver-in-canal
Audéo EON R is the standard receiver-in-canal model in Phonak's 2026 EON range, without the dedicated Sphere AI chip but with the same AutoSense OS AI 8.0 and connectivity. It offers four performance levels, Auracast broadcast support and works with the CROS EON for single-sided hearing loss.
View details → -
Phonak
Phonak CROS EON
CROS transmitter (receiver-in-canal style)
CROS EON R is worn on an ear that cannot benefit from a hearing aid and wirelessly routes sound to an Audéo EON R on the other ear. It has no acoustic output of its own. Paired with EON R it gives StereoZoom 2.0 focus and the full EON connectivity, including Auracast.
View details → -
Phonak
Phonak Audéo Infinio Ultra R
Receiver-in-canal
Audéo Infinio Ultra R is the standard rechargeable receiver-in-canal model on Phonak's Infinio platform, updated in 2025 with AutoSense OS 7.0 and EasyGuard domes. It streams from virtually any Bluetooth phone or device and supports hands-free calls. It also pairs with CROS Infinio.
View details →
Book a free demo of Phonak Audéo Infinio Ultra Sphere
Programmed to your hearing test results, with free aftercare for life at 11 clinics across Kent & London, or at home.