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Product Comparison
Phonak Sphere Infinio vs Signia Styletto AX
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Uses official HearAdvisor lab data
Expert
Choice
Choice
Expert
Choice
Choice
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Speech in quiet
Phonak Sphere Infinio4.8
Signia Styletto AX4.0
Speech in noise
Phonak Sphere Infinio4.6
Signia Styletto AX2.2
Own voice
Phonak Sphere Infinio2.3
Signia Styletto AX3.0
Feedback handling
Phonak Sphere Infinio3.6
Signia Styletto AX3.9
Music streaming
Phonak Sphere Infinio4.0
Signia Styletto AX3.1
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Audio scenes
Using MUSHRA scenes (Tuned)