Phonak Audéo Lumity vs Phonak Sphere Infinio Ultra
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Choice

Phonak Audéo Lumity
The Phonak Audéo Lumity is a premium prescription behind-the-ear hearing aid released in 2022, priced at $4,398. In HearAdvisor's independent lab testing, it earned an A grade with a SoundScore of 4.1/5, ranking #23 among 39 prescription hearing aids tested. This device demonstrates particular strength in music streaming, scoring 4.1/5—a strong result that sits 1.34 points above the category average. Feedback handling is excellent at 5.0/5, providing reliable stability during wear. Speech clarity in quiet environments is solid at 3.7/5, measuring 0.29 points above average for prescription aids. However, the Lumity shows notable limitations. Own-voice comfort scores just 1.0/5, falling 1.70 points below the category average—a significant weakness that may affect user satisfaction during conversations. Speech understanding in noisy environments, while technically above average by 0.04 points, remains mixed in absolute terms at 2.1/5. The Audéo Lumity includes rechargeable batteries, streaming compatibility with both iPhone and Android devices, and hands-free calling capability. It received HearAdvisor's Expert's Choice Award in both 2023 and 2024. This hearing aid may suit users who prioritize music enjoyment and streaming quality, though those sensitive to own-voice perception or frequently in noisy environments may want to explore alternatives in this price tier.
Choice

Phonak Sphere Infinio Ultra
The Phonak Sphere Infinio Ultra is a premium behind-the-ear prescription hearing aid priced at $4,898. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.9/5, placing it in the top 5% of the 39 prescription hearing aids tested and ranking #3 in the category. This device demonstrates exceptional speech performance in our testing. Speech in noise scored 4.5/5—an excellent result that measures 2.40 points above the category average of 2.11/5. Speech in quiet also performed strongly at 4.3/5, which is 0.92 points above the category average. These results suggest the Sphere Infinio Ultra may particularly benefit users who frequently navigate challenging listening environments like restaurants or group conversations. Music streaming delivered a solid 3.3/5, measuring 0.54 points above category average. Own-voice comfort scored 2.8/5, which is above the category average by 0.10 points but remains mixed in absolute terms. Feedback handling measured 4.2/5—strong in absolute terms, though 0.52 points below the category average of 4.72/5. The Sphere Infinio Ultra is best suited for users seeking top-tier speech clarity who prioritize performance in noisy environments and are prepared to invest at the premium price tier. Those seeking similar sound quality at a lower price point may also consider the Phonak Sphere Infinio, which scored 4.98/5 in our testing.
We independently review each item we recommend and appreciate your trust and support. When you buy through our links, we may earn a commission. Learn More.
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Scale 1-5 (Tuned)
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit