Phonak Audéo EON Sphere vs Starkey Edge AI RIC
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Choice

Phonak Audéo EON Sphere
The Phonak Audéo EON Sphere is a premium behind-the-ear prescription hearing aid priced at $4,398. In HearAdvisor's lab testing, it earned a SoundScore of 5.0/5 and an A grade, placing it among the top performers in the prescription hearing aid category. Speech performance stands out as this device's greatest strength. Speech in noise scored an excellent 4.5/5, a full 2.53 points above the category average of 1.96/5—a substantial margin that makes this one of the strongest performers in challenging listening environments. Speech in quiet also performed well at 4.3/5, nearly a full point above the category average. These results suggest the Audéo EON Sphere may be particularly well-suited for users who frequently encounter noisy social settings or group conversations. Music streaming delivered a solid 3.7/5, more than a point above the category average of 2.64/5, indicating above-average audio fidelity for phone-streamed content. Own-voice comfort scored 2.8/5, which sits just above the category average but reflects mixed absolute performance—users sensitive to occlusion effects should discuss this with their hearing care provider. Feedback handling scored an excellent 4.6/5 in absolute terms, though it lands slightly below the category average of 4.71/5. The Audéo EON Sphere represents Phonak's latest premium technology and delivers strong results across most metrics in our standardized testing. It's best suited for users prioritizing speech clarity in difficult listening situations who are prepared for the premium price point.
Choice

Starkey Edge AI RIC
The Starkey Edge AI RIC is a premium prescription hearing aid released in 2024, priced at $5,000. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.4/5, ranking #18 among 36 prescription hearing aids tested. This behind-the-ear device demonstrates particular strength in speech clarity, scoring 4.1/5 for speech in quiet—0.76 points above the category average. Music streaming is a standout feature at 3.8/5, a solid score that sits 1.16 points above the prescription hearing aid average. Speech in noise performance scores 2.6/5, which is above the category average by 0.69 points but remains mixed in absolute terms, reflecting the inherent challenge of understanding speech in noisy environments. Feedback handling is excellent at 4.7/5, essentially matching the category average. Own-voice comfort scores 2.8/5, slightly above average but mixed overall—a common trade-off in hearing aids optimized for audibility. The device responded well to professional fitting, with the normalized Tuned Score reaching 4.7/5 compared to 4.2/5 at initial fit, a meaningful 0.5-point improvement. The Edge AI RIC earned HearAdvisor's 2024 Expert's Choice Award and offers iPhone and Android streaming with hands-free capability. At its premium price point, buyers should note that several competitors in the same price range achieve higher overall scores, including the Phonak Sphere Infinio (5.0/5) and Oticon Intent (4.85/5). This device may appeal to users who prioritize Starkey's ecosystem, strong speech-in-quiet performance, and above-average music streaming quality.
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