Choose another country or region to see content specific to your location.

Phonak Audéo Infinio (Ultra) Sphere™ Hearing Aids
- DEDICATED Al CHIP
- ANY DIRECTION
- Rechargeable ON THE GO
- UNIVERSAL CONNECTIVITY
Phonak hearing aids are powered by advanced AI to help people hear better in the real world. Infinio Ultra Sphere is designed to offer the best sound for you. Anytime. Anywhere. Enjoy unlimited conversations in a world of noise with Spheric Speech Clarity 2.0, delivering a new level of clear speech2 throughout your day.
- Automatic and precise AI adaptation to surroundings, boosting your speech understanding in noisy situations1
- Spheric Speech Clarity 2.0 - DEEPSONIC™ DNN chip separates speech from noise in real time from any direction
- Always universal. Connectivity that works, no matter the device
- Power that lasts. All day long with up to 56 hours of battery life*
- Effortless care with new EasyGuard™ domes to protect your hearing aids from earwax

Spheric Speech Clarity 2.0
Enjoy unlimited conversations in a world of noise with the next generation AI-powered Spheric Speech Clarity 2.0, delivering a new level of clear speech2 throughout the day. Instead of just reducing noise, Spheric Speech Clarity 2.0 extracts, enhances and integrates speech from any number of voices from any direction for unprecedented speech clarity in noise.2
Experience the freedom to choose which speaker to focus on, no matter their direction – even in the most dynamic and noisy situation. Infinio Sphere Ultra uses our proprietary and powerful DEEPSONIC™ AI chip, which separates speech from noise in real time.







Color options to match your lifestyle
Ready to Experience Infinio Ultra Hearing Aids?
Get the Infinio Ultra Take-Along sheet for your appointment and ask your provider which Phonak hearing aid is right for you!
Infinio Sphere with DEEPSONIC
30%
more efficient, delivering a new level of clear speech throughout the day2
35%
reduced listening effort*** 3
56h%
battery life*
You are up to 3x more likely to understand every word from any direction with Spheric Speech Clarity 2.0**4

Easier listening, more energy for the things you love
Being in the moment has never been this easy! When you can concentrate less on hearing, it allows you to enjoy life’s moments more.
- Focus better throughout the day and feel less tired. Infinio Ultra Sphere makes listening easier by reducing listening effort by up to 35%3
- Infinio Ultra Sphere allows you to engage in your favorite activities without interruption, by offering up to 56 hours of battery life*

Stay in the know!
Fill out the form below to sign up for exclusive updates and latest news from Phonak, delivered directly to your inbox.
The best sound for you with Phonak Infinio Ultra

Infinio Ultra R
- For mild to profound hearing loss
- AutoSenseOS™ 7.0
- Universal connectivity
- EasyGuard™ compatible

Infinio Ultra Sphere
- For mild to profound hearing loss
- Spheric Speech Clarity 2.0
- AutoSenseOS™ 7.0
- EasyGuard™ compatible

Virto R Infinio
- For mild to profound hearing loss
- Universal connectivity
- AutoSenseOS™ 7.0
- Rechargeable
Roger Wireless Microphones
Roger is an intelligent wireless technology that transmits speech directly to Infinio hearing aids via RogerDirect™, giving an extra boost in noisy environments and over distances up to 25 meters/ 80 feet.
Resources and downloads
Footnotes
* The maximum battery runtime is determined by battery condition, hearing loss, environmental sound classification, streaming usage and activated feature set
** Compared to two key competitors, for moderate to moderately-severe hearing losses
*** Compared to StereoZoom 2.0, adults with moderate to severe hearing loss
1 Wright, A. et al. (2025). AutoSense OS 7.0 improves speech understanding with highly rated sound quality for challenging listening environments. Phonak Field Study News retrieved from www.phonak.com/evidence
2. 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.
3. 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
4. Wright, A., Kuehnel, V., Keller, M., Seitz-Paquette, K., Latzel, M. (2024). Spheric Speech Clarity applies DNN signal processing to significantly improve speech understanding from any direction and reduce the listening effort. Phonak Field Study News retrieved from https://www.phonak.com/evidence.