Phonak Sphere Infinio Ultra vs Widex Allure RIC 440
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
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.
Choice

Widex Allure RIC 440
The Widex Allure RIC 440 is a premium prescription hearing aid released in 2025, priced at $4,398. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.7/5, ranking #7 among 39 prescription hearing aids tested—placing it in the top 15% of its category. This device delivers excellent speech clarity in quiet environments, scoring 4.4/5—a strong result that sits 1.04 points above the category average of 3.40/5. Speech understanding in noisy settings scores 2.3/5, which is above the category average but only mixed in absolute terms. Own-voice comfort is solid at 3.0/5, sitting 0.30 points above average. The most significant limitation is feedback handling, which scores just 1.7/5—a low result that falls 3.02 points below the category average of 4.72/5. Music streaming performance is mixed at 2.7/5, essentially matching the category average. These feedback challenges may require careful management during fitting and daily use. The Allure RIC 440 features rechargeable batteries, iPhone and Android streaming, and hands-free calling capability. At this premium price point, competitors like the Phonak Sphere Infinio (4.98/5) and Oticon Intent (4.83/5) offer higher overall scores. This hearing aid is best suited for users who prioritize speech clarity in quieter listening situations and can work with their hearing care professional to manage feedback limitations.
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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