The technology behind the clarity

All around speech

Powered by Spheric Speech Clarity 3.0 and the HYPERSONIC™ AI chip, Phonak Audéo™ EON Sphere automatically helps the voices that matter stand out from the noise⁷.

AI that adapts

AutoSense OS 8.0 continuously detects your environment and automatically activates the right features, delivering peak performance in every moment, without a single manual adjustment.

Stay connected

Phonak Audéo™ EON Sphere connects to virtually any Bluetooth®-enabled smartphone and now introduces Auracast™, the next generation of wireless audio. Stream from TVs, public venues, and more with clarity.

Experience the front row seat

Smaller than ever. Powerful beyond belief.

Connect to the sounds that matter. Phonak Audéo™ EON Sphere lets you stream music, take calls and connect to Auracast™ broadcast audio – technology that allows you to receive audio from supported public venues, such as theatres, museums, lecture halls and gyms, directly through your hearing aids.

Easily connect your smartphone or other Bluetooth® enabled devices with just a few taps, or use Auracast™ to tune into performances, tour guidance and announcements for a seamless listening experience.

Get ready for reduced distractions around you with Phonak Audéo™ EON Sphere, powered by our patented AI technology.¹ Hear the voices that matter most to you more clearly.

Have you been avoiding noisy environments like restaurants or local cafés? With exclusive Spheric Speech Clarity™ 3.0 making conversations easier to follow in noise³, you can feel more confident joining in and staying connected to the people around you.

Wear your hearing aids all day:

  • 37% more efficient4 and a compact, sleeker design.
  • A 25% smaller5 and slimmer profile.
  • 20% lighter5 and easier all-day wear.
  • Up to 38 hours battery life to last your whole day6.

Phonak Audéo™ EON Sphere hearing aids are compatible with the free and easy-to-use myPhonak app, offering unique customisation options to integrate seamlessly into your lifestyle.

Sonova is a global leader in innovative hearing care solutions, with a portfolio of specialist brands including Phonak.
From hearing aids and cochlear implants to audiological care, personal audio devices and wireless communication systems, Sonova is committed to creating a world where everyone can enjoy the delight of hearing.
Wherever your journey towards better hearing begins, we’re here to support you.

Clarity that moves with you, automatically

Conversations instantly stand out from the noise. Unique, patented technology reduces distractions from all around1, so you can hear the voices that matter, whether you’re catching up with friends or navigating a busy day. No manual adjustments. Our most natural sound available2 – like a hearing aid is meant to sound.

Unlimited connections

If you can stream it, you can connect to it. From your morning playlist to your late-night calls, enjoy remarkable sound from virtually any device thanks to Auracast. With the next generation of wireless audio, you can step into the front row streaming clear sound directly from TVs, theatres, and public venues.

Smaller. Smarter. All day.

Designed to fit your life: small, light, and made to wear from morning to night. Intelligent technology does the heavy lifting, so you don’t have to. Plus, all-day battery life keeps you going through everything your day brings.

Experience clarity for yourself

At Neurosensory, our expert team are here to help at every stage of your hearing journey. With personalised solutions and a wide range of services, we’ll help find the right solution for your needs.

References

1 Ulloa Sanchez et al. (2026). Phonak Audéo EON Sphere outperforms four other hearing aids for clear speech in loud noise. Phonak Insight retrieved from https://www.phonak.com/evidence.

2 WindBlock 2.0 versus previous generation, subjects with mild to moderately-severe hearing loss. Vaisberg, J., Brunner, J., & Ulloa-Sanchez, D. (2026). Hearing confidently in wind: WindBlock 2.0
delivers comfort, natural sound quality and clearer speech. Phonak Field Study News retrieved from www.phonak.com/evidence.

3 Compared to StereoZoom 2.0, adults with moderate to severe hearing loss. Tian, E. et al. (2025) Spheric Speech Clarity significantly improves speech understanding in a multi-talker scenario and reduces spatial listening effort with Mandarin speakers. Phonak Field Study News. Retrieved from https://www.phonak.com/evidence.

4 While running SSC 3.0, compared to Phonak Infinio Ultra running SSC 2.0.

5 Compared to the previous Sphere generation.

6 The maximum battery runtime is determined by battery condition, hearing loss, environmental sound classification, streaming usage and activated feature set.

7 Raufer, S., Kohlhauer, P., Jehle, F., Kühnel, V., Preuss, M., Hobi, S. (2024). Spheric Speech Clarity proven to outperform three key competitors for clear speech in noise. Phonak Field Study News retrieved from https://www.phonak.com/evidence

*compared to without, for moderate to moderately-severe hearing losses