Phonak Audeo EON Sphere
Smaller, lighter and powered by HYPERSONIC AI.
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.
- Hearing loss
- Mild to profound
- Connectivity
- Bluetooth Classic to iPhone, Android and other Bluetooth devices, plus Auracast broadcast audio via Bluetooth LE Audio
- Battery
- Rechargeable
- Style
- Receiver-in-canal
Hearing aid style
22h
Battery · rechargeable
2.5h
Charge · full charge
IP68
Water · rated
Hands-free
Calls · phone calls
Who it's good for
Is Audeo EON 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.
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Everyday real world
5/5
Fully automatic AI scene handling, a small light shell and a long battery make it an easy all-day choice.
Best for everyday → -
TV turner-uppers
5/5
Streams TV via the TV Connector and can join Auracast broadcasts, with speech enhancement for dialogue.
Best for TV → -
Golfers and outdoors
5/5
IP68, WindBlock 2.0 and an expected 22 hour battery comfortably cover a full round in the open.
Best for golf → -
Socialites
5/5
Spheric Speech Clarity 3.0 is designed specifically to separate voices from loud background noise in 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
4/5
Streams music in stereo from your phone, and joins Auracast broadcasts at venues.
Best for music → -
Active and sporty
5/5
IP68 rated against sweat, rain and dust, and up to 22 hours on a charge.
Best for active →
The interesting technical bits
What's inside
- HYPERSONIC chip with Spheric Speech Clarity 3.0 deep neural network processing
- AutoSense OS AI 8.0 automatic scene classification
- WindBlock 2.0 wind noise reduction (Phonak cites up to 50 dB)
- Auracast broadcast audio plus Bluetooth Classic streaming and hands-free calls
- IP68, 2.4 g, EasyGuard domes for wax protection
- Tinnitus Balance, motion sensor and health tracking via myPhonak
Key features
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01
Spheric Speech Clarity 3.0
AI-powered speech separation that helps you hear every word, from every direction.
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02
HYPERSONIC AI chip
Phonak's most efficient chip yet, delivering AI processing in a smaller, lighter design.
-
03
AutoSense OS AI 8.0
Automatically adapts to your listening environment, with WindBlock 2.0 for outdoor comfort.
-
04
Universal connectivity
Bluetooth streaming for calls, music and TV, plus Auracast broadcast audio.
About Phonak Audéo EON Sphere
Phonak Audéo EON Sphere is built on the new Phonak EON platform and powered by the HYPERSONIC AI chip. Spheric Speech Clarity 3.0 separates speech from noise so you can follow conversations from any direction, while AutoSense OS AI 8.0 adapts automatically as you move between environments.
It is 25% smaller and 20% lighter than the previous generation, rechargeable with up to 38 hours of use, and suitable for mild to profound hearing loss.
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 EON |
| Style | Receiver-in-canal |
| Launched | 2026 |
| Chip / platform | EON / HYPERSONIC chip |
| Technology levels | E90, E70, E50 |
| Hearing loss range | Mild to profound |
| Power | Lithium-ion rechargeable (built-in) |
| Battery life | Up to 22 hours |
| Battery notes | Datasheet expected operating time 22 hours; Phonak quotes up to 38 hours maximum runtime depending on streaming and features |
| Full charge | 2.5 hours |
| Quick charge | 1 hour charge gives 55%, 2 hours gives 90% |
| Streaming | Bluetooth Classic to iPhone, Android and other Bluetooth devices, plus Auracast broadcast audio via Bluetooth LE Audio |
| Hands-free calls | Yes |
| Auracast broadcast audio | Yes |
| Water and dust rating | IP68 |
| App | myPhonak |
| Tinnitus support | Yes, but for tinnitus we recommend Signia or Rexton |
| AI and smart features | Spheric Speech Clarity 3.0 real-time DNN speech separation and AutoSense OS AI 8.0 |
| Available colours | Sienna Red, Sand Beige, Sandalwood, Chestnut, Champagne, Silver Grey, Graphite Grey, Velvet Black |
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Book a free demo of Phonak Audeo EON Sphere
Programmed to your hearing test results, with free aftercare for life at 11 clinics across Kent & London, or at home.