Initial fit observations
In initial fit testing with a closed vented dome and medium-power receiver using Phonak's Adaptive Digital 3.0 formula, the Infinio 90 achieved a normalized score of 4.3/5. Speech in quiet started strong at 4.0/5, while speech in noise was limited at 1.6/5. Music streaming performed well at 4.2/5, and feedback handling was excellent at 4.6/5. Own-voice comfort measured 2.2/5, a mixed result. This configuration delivers solid out-of-box performance for quieter environments and media consumption.








