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Product Comparison
Phonak Sphere Infinio vs Signia Silk Charge&Go IX
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
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Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Speech in quiet
Phonak Sphere Infinio4.8
Signia Silk Charge&Go IX4.5
Speech in noise
Phonak Sphere Infinio4.6
Signia Silk Charge&Go IX2.6
Own voice
Phonak Sphere Infinio2.3
Signia Silk Charge&Go IX1.5
Feedback handling
Phonak Sphere Infinio3.6
Signia Silk Charge&Go IX4.3
Music streaming
Phonak Sphere Infinio4.0
Signia Silk Charge&Go IX0.0
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit
Phonak Sphere InfinioSignia Silk Charge&Go IX
Ear CouplingClosed Vented Dome
Ear CouplingTulip Dome
ReceiverMedium-power
Receiver–
Fitting FormulaAdaptive Phonak Digital 3.0 (Manufacturer proprietary targets)
Fitting Formula–
Listening ProgramAutoSense OS (Automatic)
Listening Program–
Volume SettingAdjusted to match NAL-NL2 targets at 55, 65, and 75 dB SPL
Volume Setting–
Software Versionv10.0.0.2318
Software Version–
Tuning AdjustmentsProgrammed to N3 audiogram, Feedback calibrated, Long-Term Experienced User, Other settings at manufacturer defaults
Tuning Adjustments–
Notesn/a
Notes–