Phonak Sphere Infinio vs Sony CRE-C10
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Choice

Phonak Sphere Infinio
The Phonak Sphere Infinio is a premium prescription behind-the-ear hearing aid released in 2024, priced at $4,898. In HearAdvisor's lab testing, it achieved a SoundScore of 5.0/5 and an A grade, ranking #1 among 36 prescription hearing aids tested. This device delivers exceptional speech performance, particularly in challenging listening environments. Speech in noise scored an excellent 4.7/5, measuring 2.74 points above the category average—a substantial margin that sets it apart from competitors. Speech in quiet also performed strongly at 4.5/5, sitting 1.15 points above average. Music streaming earned a strong 4.0/5, exceeding the category average by 1.36 points. The Sphere Infinio does show some trade-offs. Feedback handling scored a solid 3.6/5 in absolute terms, though this falls 1.11 points below the category average of 4.71/5. Own-voice comfort scored a mixed 2.3/5, slightly below the category average. These are areas where some competing premium devices perform better. This hearing aid is best suited for those who prioritize speech clarity, especially in noisy environments like restaurants or social gatherings. The behind-the-ear style offers rechargeable batteries and streaming compatibility with both iPhone and Android devices. Among premium-priced competitors like the Oticon Intent (4.85/5) and Oticon Real (4.75/5), the Sphere Infinio leads in overall sound performance, earning HearAdvisor's Expert's Choice Award for 2024 and 2023.
Choice

Sony CRE-C10
The Sony CRE-C10 is a mid-priced OTC hearing aid at $798 that earns an A grade with a SoundScore of 4.2/5, ranking #12 among 65 OTC hearing aids tested. This invisible-in-ear style device uses disposable batteries and offers discreet amplification for those seeking a nearly undetectable option. In our lab testing, the CRE-C10 demonstrates excellent speech clarity in quiet environments, scoring 4.5/5—a full 1.71 points above the category average. Speech in noise performance is above average at +1.39 points versus category peers, though at 2.9/5 it remains mixed in absolute terms. This makes the device well-suited for everyday conversations but potentially challenging in very noisy settings. The most significant limitation is music streaming, which scored 0.0/5—well below the category average. Users who prioritize phone audio streaming or music listening should consider alternatives. Feedback handling is solid at 3.5/5, though it falls 1.04 points below the category average. Own-voice comfort scored 2.6/5, roughly matching the category average. The Sony CRE-C10 is best suited for users who prioritize speech understanding and discretion over streaming capabilities. It has earned HearAdvisor's Expert's Choice Award in both 2023 and 2024. Competitors in this price range include the higher-scoring Sony CRE-E10 and Lexie B2 Plus, which may offer additional features worth comparing.
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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