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Product Comparison
Oticon Zeal vs Phonak Sphere Infinio Ultra
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
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Expert
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Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Speech in quiet
Oticon Zeal4.5
Phonak Sphere Infinio Ultra4.7
Speech in noise
Oticon Zeal2.9
Phonak Sphere Infinio Ultra4.4
Own voice
Oticon Zeal2.0
Phonak Sphere Infinio Ultra2.8
Feedback handling
Oticon Zeal3.3
Phonak Sphere Infinio Ultra4.2
Music streaming
Oticon Zeal3.3
Phonak Sphere Infinio Ultra3.3
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit
Oticon ZealPhonak Sphere Infinio Ultra
Ear CouplingClosed Vented Dome
Ear CouplingEasyGuard Vented
Receiver75
ReceiverMedium-power
Fitting FormulaNAL-NL2
Fitting FormulaAdaptive Phonak Digital 3.0 (Manufacturer proprietary targets)
Listening ProgramGeneral (Automatic)
Listening ProgramAutoSense OS (Automatic)
Volume SettingAdjusted to match NAL-NL2 targets at 55, 65, and 75 dB SPL
Volume SettingAdjusted to match NAL-NL2 targets at 55, 65, and 75 dB SPL
Software VersionFirmware v1.0.0
Software VersionV1.1.11.0
Tuning AdjustmentsProgrammed to N3 audiogram, Feedback calibrated, Acclimatization at 3/3, Other settings at manufacturer defaults
Tuning AdjustmentsProgrammed to N3 audiogram, Feedback calibrated, Long-Term Experienced User, Other settings at manufacturer defaults
Notesn/a
Notes–