Summary
In the initial fit condition using closed sleeve coupling, the Sony CRE-E10 delivered strong out-of-box performance with a fit score of 3.89—well above the category average. Speech in quiet (4.40) and speech in noise (4.30) both measured well above average, indicating excellent audibility with minimal setup effort. Music streaming scored 4.20, also well above typical OTC performance. However, the closed coupling contributed to below-average own-voice comfort (1.70) and feedback handling that measured below expectations at 3.90. This initial configuration prioritizes speech clarity over comfort metrics.
The tuned fit condition maintained the same closed sleeve coupling, resulting in minimal change from initial performance—the fit score improved by just 0.01 points to 3.90. Speech scores improved slightly, with speech in quiet reaching 4.50 and speech in noise hitting 4.50, both representing top-tier performance. Feedback handling decreased to 3.40 in the tuned condition, while own-voice comfort remained unchanged at 1.70. The similarity between initial and tuned results suggests the CRE-E10's out-of-box configuration already operates near its optimal settings for the target hearing loss profile tested.
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