Phonak Audeo EON Sphere E90 Hearing Aids Overview

Launched in September 2026, the Phonak Audeo EON Sphere E90 hearing aids are Phonak’s newest flagship hearing aid, helping you follow conversation when several people are talking at once in a noisy room. It’s a Receiver-in-Canal (RIC) hearing aid, a discreet style with the speaker sitting in the ear canal and the main body worn behind the ear, and it’s rechargeable.

Not sure what to expect? When you get in touch, you’ll speak with someone who can answer your questions and arrange a free hearing test if you decide you’d like one. The test is free, the advice is impartial, and there is no obligation to buy anything.

Quick highlights

• Suitable for mild to profound hearing loss
• HYPERSONIC AI chip dedicated to speech-in-noise processing
• Spheric Speech Clarity 3.0 technology
• AutoSense OS AI 8.0 automatic environment detection
• Up to 38 hours of rechargeable battery life
• Made For All connectivity: Bluetooth Classic, Bluetooth LE Audio, and Auracast broadcast audio
• WindBlock 2.0 wind noise reduction
• EasyGuard dome compatible
• Available in 8 colours: Sand beige, sandalwood, chestnut, champagne, silver grey, graphite grey, velvet black and Sienna Red
• Compatible with Phonak’s Roger wireless microphones via RogerDirect

A dedicated chip for noisy speech

The EON Sphere E90 is built around Phonak’s new HYPERSONIC AI chip, dedicated processing hardware built specifically to separate speech from background noise, succeeding the DEEPSONIC chip used in the previous Sphere generation. This isn’t a software update dressed up as new technology; it’s real dedicated hardware working alongside the main processor.

Spheric Speech Clarity 3.0

The HYPERSONIC chip powers Spheric Speech Clarity 3.0, technology designed to extract and enhance speech from multiple speakers around you, not just from directly in front.

Phonak states this technology is now available at the Standard 50 performance level for the first time. E90 is understood to represent the strongest level of this processing within the range.

Connectivity and Auracast

Phonak states the EON Sphere E90 supports Bluetooth Classic, Bluetooth LE Audio, and Auracast broadcast audio, and is compatible with Phonak’s Roger wireless microphones via RogerDirect.

Auracast is a newer Bluetooth feature that lets certain venues, theatres, museums, transport hubs, broadcast sound directly to compatible hearing aids, and Roger microphones are useful for meetings, lectures or one-to-one conversations at a distance.

Wind noise and everyday maintenance

Phonak states WindBlock 2.0 significantly reduces wind noise and improves clarity outdoors compared with the previous generation. In practice, that’s useful if you spend meaningful time outside. The E90 is also compatible with EasyGuard domes, a sealed design that helps stop earwax reaching the receiver, which in practice tends to mean fewer wax-related repairs and less day-to-day upkeep.

All-day rechargeable power

Phonak states the EON Sphere E90 hearing aids offer up to 38 hours of rechargeable battery life on a full charge, with actual runtime depending on how much you stream and your listening environment.

Who might benefit most from EON Sphere E90?

This is a good fit for anyone who finds group conversations, restaurants, family gatherings, or any setting with several people talking from different directions, genuinely tiring or difficult to follow. If your main frustration with hearing aids, NHS or private, has been “I can hear, I just can’t follow the conversation when it gets busy,” E90 is built specifically to address that.

Fitted and fine-tuned by a qualified audiologist

Phonak EON Sphere E90 is fitted and fine-tuned by a qualified, HCPC-registered audiologist in person, either at one of our 93+ UK clinics or during a free home visit. Getting the fitting right for your specific hearing loss is what turns the technology above into a genuinely comfortable, accurate hearing aid.