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Full product details

The Phonak Ultra Sphere I90 features AI-enhanced sound with AutoSense OS™ 6.0, Bluetooth 5.3 connectivity, and IP68 durability, offering fast charging for extended use with just a 15-minute charge and an average battery life of 53 hours. The Audeo Ultra Sphere Infinio, powered by DEEPSONIC, provides 53 times more processing power for unparalleled clarity.

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Your hearing expert will use your results to confirm the Phonak Audéo Infinio Ultra Sphere I90 is the right match or recommend a better fit. Zero pressure, zero cost.

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Take the Test

Free online hearing test from home — or upload an audiogram you already have.

Online Test
Talk to an Expert

A licensed hearing professional reviews your results and confirms the right device for you.
We Ship Pre-Programmed

Your Phonak Audéo Infinio Ultra Sphere I90 arrives in days, programmed to your exact prescription.
Ongoing Support

Remote adjustments anywhere in the world, for as long as you own your hearing aids.

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Frequently Asked Questions

What's the real-world battery life?

The Phonak Audéo Infinio Ultra Sphere I90 delivers 56hours, assuming 3 hours of daily Bluetooth streaming. This typically means 2+ full days of use before recharging.

What is the 60 Day Risk-free Trial?

A hearing aid doesn't prove itself in a quiet room on a Tuesday afternoon. It proves itself at the family dinner where everyone talks at once. The restaurant with the acoustics that defeat every table in the place. The phone calls you've been avoiding for two years. The TV that's been creeping up in volume so gradually you didn't notice until someone pointed it out.

That's why our trial is 60 days, not a long weekend. You deserve to know these are right, not just right enough to keep because returning them felt complicated. So we made returning them not complicated.

Every purchase includes professional fitting by a licensed hearing care provider, unlimited adjustments throughout your trial, and devices that arrive calibrated for your specific audiogram. The trial isn't a safety net bolted onto the product. It's the whole philosophy.

Physical

Style Receiver-in-Canal (RIC)

Tap Control ✓

Power & Durability

Battery Life (hours) 56hrs

Battery Life (Streaming) 12-24

Battery Range (Normal Use) 36-56hrs

Water & Dust Resistance ✓

Water Resistant (meters) 1m

Charging Case Capacity 15-30 mins

Quick Charge ✓

Ingress protection (IP) rating IP68

Features

Own Voice Processing ✓

Hearing aid features Rechargeable battery, Programmable, Digital

Fine-Tuning Channels 20

Loss & Damage 3 years $495

Speech Enhancer ✓

Tinnitus Support ✓

Telecoil –

Health Tracking ✓

Performance

Wind Noise Reduction ✓

Speech-in-Noise Enhancement ✓

Hearing Loss Range Mild, Moderate, Profound, Severe

Feedback / Whistle Cancellation ✓

Performance Tier Premium

Receiver Options S (standard)M (medium)P (power)UP (ultra power)

Directionality 360°

Fitting Range (dB) Mild to ProfounddB

General

Technology level Premium

Hearing Test Required –

Suitable For Noisy Restaurants & Crowds

Generation Current Gen

Release Date October 2025

Connectivity

Audio Streaming Yes (Universal)

Hands-Free Calls ✓

Simultaneous Connections 2

User Adjustable via Mobile App ✓

Auracast Ready ✓

Android Compatible ✓

iOS Compatible ✓

Connectivity Technology Bluetooth

4.9

Rated 4.9 out of 5 stars

Based on 12 reviews

Total 5 star reviews: 11

Total 4 star reviews: 1

Total 3 star reviews: 0

Total 2 star reviews: 0

Total 1 star reviews: 0

100%would recommend this product

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12 reviews

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DI
David I.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
1 week ago
With great surprise!!
I love my i90 infinio spheres. My tv sound is much lower than before I had them. I can hear my sister who speaks softly. I used to say “what?” all of the time. The price can’t be beat. My other sister bough the same hearing aids for $6500. I can’t wait to put them on in the morning. Sometimes I forget they’re in my ears and hop in bed with them in.
Was this helpful?
DH
Direct Hearing
1 week ago
David

That's fantastic to hear you're loving your Phonak Audeo Infinio Ultra Sphere I90! It sounds like they're making a real difference in your daily life — being able to hear your sister clearly and enjoying your TV at a more comfortable volume are exactly the kinds of experiences we want our customers to have.

We're also really glad the value resonated with you, especially compared to what you found elsewhere. It's great that you're so excited about wearing them that you can't wait to put them on each morning — that's the kind of enthusiasm we love to see!

Thanks so much for taking the time to share your experience, David. Your positive feedback helps other customers understand what they can expect from the Phonak Audeo Infinio Ultra Sphere I90 and really means a lot to us.
TN
Travis N.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
3 days ago
Best Desision
Jimmy helped me out when my local ENT doctor was trying to take advantage of me he was there to make sure i was taken care of and was making the right choice for me hearing needs best decision ever. thank you.
Was this helpful?
JB
John B.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
5 days ago
As Expected, Excellent Performance
Both the hearing aids and the service by Direct Hearing have been excellent.
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ME
Mildred E.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
2 weeks ago
Hearing Wonderfully!
I am so very grateful 🙏 with all my ❤️ I can hear again sounds I have not heard in years.
I am especially thankful God sent James Porter into my life for the purchase of my aids.
William Russell for my programming a
nd fine tuning . May God bless this company and all of there staff.
Grateful
Mildred Edwards
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DH
Direct Hearing
2 weeks ago
Thank you so much for your heartfelt review, Mildred! We're truly grateful to hear that you're hearing sounds you haven't experienced in years — that means everything to us. We're so glad that James and William were able to support you through your journey and help you find the right solution. Your kind words about our team really do mean a lot, and we're honored to have been a part of this experience for you. Thank you for taking the time to share your appreciation!
RN
Robert N.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
1 month ago
Excellent Service !
I’m an experienced user and used direct hearing before my aids came well packaged within the week and are an improvement on my previous Phonak aids.
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Phonak Audéo Infinio Ultra Sphere I90