Phonak Sphere Infinio vs Signia Active Mini IX

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.

The Signia Active Mini IX is a premium prescription hearing aid with a visible-in-ear style, priced at $4,696. In HearAdvisor's lab testing, it achieved an A grade with a SoundScore of 4.5/5, ranking #13 among 36 prescription hearing aids tested. This device demonstrates strong speech performance in our testing framework. Speech in quiet scored 4.1/5, which is 0.79 points above the category average—a notable strength for everyday conversations. Speech in noise measured 2.6/5, above the category average by 0.61 points, though only mixed in absolute terms, suggesting challenging listening environments may still require effort. Music streaming is a standout feature, scoring 3.6/5—nearly a full point (0.96) above the prescription hearing aid average. Own-voice comfort also performed well at 3.2/5, 0.45 points above average. However, feedback handling scored 2.5/5, which is 2.21 points below the category average, indicating this device may be more prone to feedback issues compared to typical prescription aids. The Active Mini IX suits users prioritizing speech clarity and streaming quality through a discreet earbud-style design. Those particularly sensitive to feedback or requiring maximum stability during physical activity should weigh the feedback performance against the device's other strengths.