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TL;DR: Phonak is the global benchmark for speech-in-noise performance, and their current lineup represents the most significant leap in hearing aid processing power in years. The Audeo Sphere Infinio Ultra introduces a dual-chip AI architecture with 53 times more processing power than the previous generation, delivering up to 10 dB improvement in speech clarity. The Infinio Ultra R and Lumity bring that same AutoSense platform to different price points. We carry and remotely fit the full Phonak lineup. Take our free online hearing test to get started.
Hearing loss is the third most common chronic health condition in the United States, affecting more adults than diabetes or cancer. According to the Hearing Loss Association of America, the average person waits nine years from the time they first notice hearing difficulty to the time they seek treatment. Nine years of missed conversations, turned-up televisions, and quietly withdrawing from situations that feel too hard to follow.
Phonak has spent decades working on the technology that makes that decision easier to act on. The current lineup represents their most ambitious engineering work yet. We carry and remotely fit the full Phonak range, which means we have a direct view into which innovations matter in real-world use and which ones are mostly marketing. This guide covers both honestly.
Whether you are exploring Phonak hearing aid innovations for the first time or considering an upgrade from an older model, our licensed hearing care providers can help you choose the right device and fit it remotely using the same manufacturer software traditional clinics use. Our hearing aid buying guide is a useful starting point if you are still early in the process.
Before getting into specific models, it helps to understand what Phonak does differently at the engineering level, because it explains why their devices consistently perform at the top of independent assessments for speech understanding in difficult environments.
Phonak's core advantage is AutoSense OS, their automatic environment detection platform. Now in its sixth generation with the Infinio series, AutoSense OS continuously analyzes the acoustic environment and adjusts processing parameters in real time. Most hearing aids require the user to manually switch programs when moving from a quiet room to a restaurant. AutoSense OS does this automatically, and does it faster and more accurately with each generation.
The second Phonak engineering advantage is their Roger wireless microphone ecosystem. Roger microphones, including the PartnerMic, Roger Table Mic, and Roger Select, stream directly to Phonak hearing aids via RogerDirect with no external receiver required. In classrooms, meeting rooms, and noisy dining environments, Roger technology provides a speech intelligibility boost that no amount of onboard processing can fully replicate. It is a meaningful real-world differentiator.
The third advantage, introduced with the Sphere Infinio, is dual-chip architecture.
The Audéo Sphere Infinio Ultra is Phonak's current flagship and the most technically significant hearing aid they have ever produced. Understanding what makes it different from previous generations requires understanding what the DEEPSONIC chip actually does.
Previous hearing aid processors handled AI and amplification on the same chip, which created processing tradeoffs. More AI work meant more power consumption and more competing demands on a single processor. The Sphere Infinio Ultra solves this with a dedicated DEEPSONIC AI chip that handles only one job: analyzing the acoustic environment and separating speech from noise using deep learning.
The DEEPSONIC chip has 53 times more processing power than the previous generation Phonak processor. Running Spheric Speech Clarity, a proprietary deep learning model trained on real-world listening environments, it delivers results to the ERA chip, which handles amplification. Both chips work in parallel rather than in sequence, which is what makes the performance improvement so significant.
In practical terms, the result is up to 10 dB improvement in speech-in-noise performance and up to 45% reduction in listening effort measured in clinical testing. For context, a 10 dB improvement in signal-to-noise ratio is the difference between struggling to follow a conversation in a restaurant and following it comfortably. Listening effort reduction matters because cognitive fatigue from straining to hear accumulates throughout the day and affects concentration, memory, and mood.
The Sphere Infinio Ultra delivers up to 56 hours of battery life per charge under standard conditions, the longest of any current flagship hearing aid. Under heavy AI processing and continuous streaming, runtime is 16 to 18 hours. A 15-minute quick charge provides several hours of use, and the device ships with a premium portable charging case.
The Sphere Infinio Ultra uses Bluetooth 5.3 with both Classic and LE Audio protocols, enabling full hands-free calling on both iPhone and Android devices simultaneously. Up to eight devices can be paired, with two active simultaneous connections. Auracast support is ready and awaiting firmware activation. RogerDirect is built in, with no additional receivers or accessories needed to connect with Roger microphones.
The myPhonak app provides full remote control, including volume, programs, EQ adjustments, and a health tracking dashboard covering steps and activity levels. Remote telehealth appointments can be conducted directly through the app.
The Sphere Infinio Ultra is available at two technology levels:
The Sphere Infinio Ultra is the right choice for buyers who:
The Audéo Infinio Ultra R is the second tier in the Infinio series and uses the ERA chip alone rather than the dual-chip DEEPSONIC system. It runs AutoSense OS 6.0 with 20 processing channels at the I90 level and delivers strong speech clarity performance across most real-world listening environments.
In quiet to moderate noise environments, the difference between the Sphere Infinio Ultra and the Infinio Ultra R is modest. Both use AutoSense OS 6.0, both have full Bluetooth 5.3 connectivity, and both include RogerDirect. The gap becomes more pronounced in the most demanding environments, such as loud restaurants, crowded events, and situations with significant competing speech, where the DEEPSONIC chip's dedicated processing provides a measurable advantage.
The Infinio Ultra R delivers 24 hours of battery life per charge, compared to the Sphere's 56 hours. For most users who charge nightly, 24 hours is more than sufficient. For travelers or users who frequently go more than a day between charges, the Sphere's battery advantage is meaningful.
The Infinio Ultra R uses Bluetooth 5.3 with Classic and LE Audio, full hands-free calling on both iOS and Android, up to eight paired devices, and RogerDirect. Its connectivity profile is identical to the Sphere Infinio Ultra. Auracast support is ready and awaiting firmware activation. The myPhonak app provides full control and telehealth access.
The Infinio Ultra R is the right choice for buyers who:
The Audéo Lumity L90 is now in its third year on the market and runs AutoSense OS 5.0, the previous generation of Phonak's environment detection platform. At the L90 level, it offers 20 processing channels, StereoZoom beamforming, and the full Roger ecosystem. The Lumity remains a strong device for buyers who want proven Phonak performance without the flagship price.
AutoSense OS 5.0 handles automatic environment detection across multiple acoustic categories and runs the SoundRelax feature, which softens sudden loud sounds to reduce listening fatigue. The L90 includes tap control via double-tap gesture, motion sensor hearing that adjusts directionality based on the user's movement, and the full myPhonak app feature set including health tracking.
The Lumity uses Bluetooth 4.2 rather than 5.3. In practice, Bluetooth 4.2 handles everyday streaming and hands-free calling well on both iOS and Android. The gap is more significant for buyers who want Auracast capability or who connect to multiple devices simultaneously throughout the day.
The Lumity does not include the DEEPSONIC chip or ERA chip. It runs on the previous generation processor. In most everyday listening situations the difference is not dramatic, but in the most challenging environments the Infinio series pulls ahead clearly.
The Lumity L90 is the right choice for buyers who:
| Model | Chip | Battery | Bluetooth | Roger | AutoSense |
|---|---|---|---|---|---|
| Sphere Infinio Ultra I90 | DEEPSONIC + ERA | 56 hrs | 5.3 | Direct | OS 6.0 |
| Sphere Infinio Ultra I70 | DEEPSONIC + ERA | 56 hrs | 5.3 | Direct | OS 6.0 |
| Infinio Ultra R I90 | ERA | 24 hrs | 5.3 | Direct | OS 6.0 |
| Lumity L90 | Prev gen | 24 hrs | 4.2 | Compatible | OS 5.0 |
Every Phonak device we sell goes through the same professional fitting process that traditional clinics use, including the same manufacturer software, the same programming parameters, the same licensed hearing care providers. The difference is that we do it remotely, which eliminates the clinic markup without eliminating the professional care.
Here is what the process looks like with us:
Traditional clinics charge thousands more for the same Phonak devices, require multiple in-person appointments, and often limit ongoing adjustments after your initial fitting. We provide licensed hearing care providers, the same manufacturer programming software clinics use, unlimited remote adjustments, and significant cost savings, all without leaving your home. Bare-bones online sellers ship pre-configured devices with no professional involvement, no licensed fitting, and little to no ongoing support.
Every Phonak device we sell comes with unlimited remote adjustments and a 60-day risk-free trial.
The Sphere Infinio Ultra is the first Phonak hearing aid to use a dedicated AI chip — the DEEPSONIC — that handles only speech-noise separation, separate from the ERA chip that handles amplification. Previous generations processed both on a single chip, which created tradeoffs. The dual-chip architecture removes those tradeoffs and delivers up to 10 dB speech-in-noise improvement and up to 45% listening effort reduction in clinical testing. It is a genuinely different class of device from the Lumity and older Phonak models.
Yes, meaningfully so. AutoSense OS 6.0 in the Infinio series processes acoustic environments more accurately, responds faster to environmental changes, and handles competing speech scenarios more effectively than OS 5.0 in the Lumity. For buyers who spend significant time in challenging environments, the upgrade is worth the price difference. For buyers in primarily quiet or moderately noisy situations, OS 5.0 in the Lumity performs very well.
Yes. All current Phonak models including the Sphere Infinio Ultra, Infinio Ultra R, and Lumity deliver full hands-free calling and audio streaming on both iPhone and Android devices. Bluetooth 5.3 on the Infinio series provides enhanced stability and range compared to Bluetooth 4.2 on the Lumity, though both support Android hands-free calling reliably.
RogerDirect allows Phonak hearing aids to receive audio directly from Roger microphones without requiring an external receiver. Roger microphones stream speech directly to the hearing aids, providing a significant speech intelligibility boost in situations where background noise is high. For users in classrooms, meetings, or restaurants, Roger accessories are among the most impactful upgrades available alongside the hearing aids themselves.
The right model depends on your hearing profile, listening lifestyle, and budget. The Sphere Infinio Ultra is best for buyers who frequently struggle in loud environments and want the maximum available speech-in-noise performance. The Infinio Ultra R is the right middle ground for buyers who want current-generation Phonak technology without the flagship price or battery requirements. The Lumity L90 is the strongest option for buyers who want proven performance at the most accessible price point. Our licensed hearing care providers can walk you through the decision after reviewing your hearing test results.
Phonak hearing aid innovations are genuinely impressive. The Sphere Infinio Ultra represents a step change in what hearing aid AI processing can do. But the technology only delivers its full benefit when the device is programmed correctly to your specific hearing profile by a licensed professional. A Sphere Infinio Ultra that is generically configured performs significantly below its potential. A Lumity that is precisely fitted can outperform a flagship that was not.
That is the case for professional fitting, and it is exactly what we provide: remotely, with unlimited follow-up, and at a fraction of the cost of a traditional clinic.
Reach out to our hearing care experts and we will help you find the right Phonak hearing aid innovation for your hearing and your life.
