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Product Comparison
Lexie B2 Plus 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
Choice

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Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Speech in quiet
Lexie B2 Plus4.3
Phonak Sphere Infinio Ultra4.7
Speech in noise
Lexie B2 Plus2.0
Phonak Sphere Infinio Ultra4.4
Own voice
Lexie B2 Plus4.8
Phonak Sphere Infinio Ultra2.8
Feedback handling
Lexie B2 Plus2.8
Phonak Sphere Infinio Ultra4.2
Music streaming
Lexie B2 Plus2.6
Phonak Sphere Infinio Ultra3.3
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Audio scenes
Using MUSHRA scenes (Tuned)
No sample
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Fitting configuration for tuned fit
Lexie B2 PlusPhonak Sphere Infinio Ultra
Ear CouplingOpen Dome
Ear CouplingEasyGuard Vented
ReceiverStandard
ReceiverMedium-power
Fitting FormulaProprietary manufacturer default
Fitting FormulaAdaptive Phonak Digital 3.0 (Manufacturer proprietary targets)
Listening ProgramDefault
Listening ProgramAutoSense OS (Automatic)
Volume SettingWorld volume at "84"
Volume SettingAdjusted to match NAL-NL2 targets at 55, 65, and 75 dB SPL
Software VersionUnknown
Software VersionV1.1.11.0
Tuning AdjustmentsTreble/Bass at "29", Directionality at "Front"
Tuning AdjustmentsProgrammed to N3 audiogram, Feedback calibrated, Long-Term Experienced User, Other settings at manufacturer defaults
Notesn/a
Notes–
