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Phonak Audéo EON Sphere 90 – AI-Powered Rechargeable Hearing Aids with Auracast & Universal Bluetooth

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Hearing Loss Level:
Mild to Severe Hearing loss

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The Phonak Audéo EON Sphere 90 is an advanced rechargeable RIC hearing aid designed to provide enhanced speech clarity and a comfortable listening experience across a variety of everyday environments. Powered by Phonak’s advanced AI technology and HYPERSONIC AI chip, the Audéo EON Sphere platform features Spheric Speech Clarity 3.0, which is designed to separate speech from surrounding background noise in real time. The discreet rechargeable design offers everyday convenience while advanced hearing technology helps users stay connected to conversations and their surroundings.

The Audéo EON Sphere 90 combines advanced speech processing with universal Bluetooth connectivity and Auracast broadcast audio. It can connect with virtually any Bluetooth-enabled smartphone for calls, music and other audio streaming. AutoSenseOS AI 8.0 automatically recognizes changing listening environments and adjusts hearing settings to provide an adaptive listening experience. The hearing aids are also compatible with the myPhonak app, Roger solutions and Phonak wireless accessories, providing additional connectivity and personalization options.

Phonak Audéo EON Sphere 90 – Key Features

Feature Phonak Audéo EON Sphere 90
Product Type Rechargeable RIC hearing aid
Technology AI-powered hearing technology
AI Chip HYPERSONIC AI chip
Speech Processing Spheric Speech Clarity 3.0
Automatic Adaptation AutoSenseOS AI 8.0
Speech in Noise Advanced speech and background-noise processing
Speech Direction Speech processing designed for different directions
Bluetooth Connectivity Universal Bluetooth connectivity
Auracast Supports Auracast broadcast audio
Smartphone Connectivity Connects to virtually any Bluetooth-enabled smartphone
Streaming Phone calls, music and compatible audio streaming
Rechargeable Yes
Battery Runtime Up to 38 hours, depending on usage and activated features
App Compatibility myPhonak app
Wireless Accessories Compatible with Phonak wireless accessories
Roger Compatibility Compatible with Roger solutions
Wind Management WindBlock 2.0
Maintenance Compatible with Phonak EasyGuard domes
Hearing Loss Range Designed for mild to profound hearing loss
Design Compact and discreet RIC design

Advanced AI Hearing Technology

Spheric Speech Clarity 3.0 is a core technology of the Audéo EON Sphere platform. Using advanced AI processing, it is designed to distinguish speech from surrounding noise in real time and from different directions. This technology is designed to support clearer speech perception in complex listening situations, including conversations where background noise is present.

Smart Automatic Sound Adjustment

AutoSenseOS AI 8.0 is designed to automatically identify changes in the surrounding acoustic environment and adjust hearing features accordingly. The system uses machine learning to adapt the hearing experience as users move between different listening situations throughout the day.

Universal Bluetooth & Auracast Connectivity

The Audéo EON Sphere 90 provides universal Bluetooth connectivity, allowing users to connect their hearing aids with virtually any Bluetooth-enabled smartphone. This enables direct streaming for compatible phone calls, music and other audio. With Auracast broadcast audio, users can also access compatible broadcast audio in supported public and shared spaces.

Rechargeable Design

The Audéo EON Sphere 90 features a rechargeable design for convenient everyday use. Phonak states that the EON Sphere platform can provide up to 38 hours of battery life, depending on factors such as hearing loss, environmental sound classification, streaming and other activated features. The hearing aids are designed for convenient daily use and charging.

App & Accessory Compatibility

Through the myPhonak app, users can access compatible hearing-aid settings and features from their smartphone. Audéo EON Sphere is also compatible with selected Phonak wireless accessories and Roger solutions, offering additional options for connecting to audio sources and supporting communication in different listening environments.

Why Choose Phonak Audéo EON Sphere 90?

The Phonak Audéo EON Sphere 90 combines advanced AI-powered hearing technology, speech processing, automatic environmental adaptation, rechargeable convenience and modern wireless connectivity. With Spheric Speech Clarity 3.0, AutoSenseOS AI 8.0, universal Bluetooth and Auracast support, it is designed to provide a flexible hearing solution for users who want advanced technology for conversations, streaming and everyday listening.

Orders are processed quickly and include Free Worldwide Shipping, with delivery typically taking just 3–5 business days. You have 15 days from the date of delivery to return an item; however, please note that hearing aids are custom devices and cannot be returned once they have been pre-programmed.

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Phonak Audéo EON Sphere 90 – AI-Powered Rechargeable Hearing Aids with Auracast & Universal Bluetooth

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Yes, HearUpUSA offers free shipping on all hearing aid orders across the USA. For orders placed outside the USA, a flat $100 shipping fee applies to every order. Orders are typically delivered within 3–5 business days, with full tracking provided for a smooth and secure delivery experience.


You have 15 calendar days to return an item from the date you receive it.

Hearing aids are customized medical devices that require pre-programming before use. Once the sealed pack is opened and programming is completed, the device cannot be used by another person.

Therefore, hearing aids become non-returnable once the sealed pack is opened.

Yes, all HearUpUSA hearing aids come with a 3-year manufacturer warranty.

Warranty Claim Information:


  1. Manufacturer Warranty Claims:

    All warranty claims must be submitted directly through HearUpUSA. We will assist you with the complete process.

  2. Exclusions:

    The warranty does not cover damage caused by accidents, theft, loss, pets, or similar incidents.

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