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Product Comparison
Phonak Sphere Infinio vs Sennheiser All-Day Clear Slim
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
SennheiserSoundGrade B
Sennheiser All-Day Clear Slim
HearAdvisor lab-tested performance overview.
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Speech in quiet
Phonak Sphere Infinio4.8
Sennheiser All-Day Clear Slim3.3
Speech in noise
Phonak Sphere Infinio4.6
Sennheiser All-Day Clear Slim1.0
Own voice
Phonak Sphere Infinio2.3
Sennheiser All-Day Clear Slim1.9
Feedback handling
Phonak Sphere Infinio3.6
Sennheiser All-Day Clear Slim5.0
Music streaming
Phonak Sphere Infinio4.0
Sennheiser All-Day Clear Slim3.8
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Audio scenes
Using MUSHRA scenes (Tuned)