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Product Comparison

Cearvol Wave vs Oticon Zeal

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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CearvolSoundGrade B

Cearvol Wave

The Cearvol Wave is a budget-priced OTC hearing aid with a visible in-ear style, earning a B grade with a SoundScore of 3.9/5 in our lab testing. At $397, it ranks #22 among 65 OTC hearing aids tested, placing it in the top 32% of its category. The Wave's standout performance is in music streaming, where it scores a strong 4.1/5—a full 2.18 points above the OTC category average. This makes it an unusually capable choice for users who prioritize audio entertainment alongside speech amplification. Speech performance is solid in quiet environments at 3.1/5, sitting 0.36 points above the category average. Speech in noise presents a more mixed picture: while the 2.0/5 score exceeds the category average by 0.56 points, it remains modest in absolute terms—typical of OTC devices without advanced noise management. Own-voice comfort scores 2.1/5, falling 0.41 points below average, which may be noticeable during extended wear. Feedback handling is solid at 3.8/5, though 0.74 points below the category average. The Cearvol Wave is best suited for budget-conscious consumers who want capable music streaming and adequate speech clarity in quieter settings. Those frequently in noisy environments or sensitive to own-voice quality may want to consider alternatives with stronger performance in those areas.

Expert Choice
Expert
Choice
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OticonSoundGrade A

Oticon Zeal

The Oticon Zeal is a premium invisible-in-ear prescription hearing aid priced at $4,798. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.7/5, placing it in the top 11% of prescription hearing aids tested and ranking #5 of 36 devices in its category. Speech performance is where the Zeal truly excels. It achieved an excellent 4.9/5 in speech-in-quiet testing, scoring 1.56 points above the category average—among the strongest results we've measured. Speech-in-noise performance is solid at 3.0/5, which is 1.08 points above the category average of 1.96/5, making it notably better than typical prescription aids in challenging listening environments. Music streaming quality scores 3.3/5, sitting 0.66 points above category average and providing solid fidelity for phone audio. However, the Zeal shows some limitations in other areas. Own-voice comfort is mixed at 2.0/5, falling 0.75 points below the category average—users sensitive to how their own voice sounds may notice this. Feedback handling, while solid in absolute terms at 3.3/5, measures 1.41 points below the category average of 4.71/5. The Zeal is best suited for users who prioritize outstanding speech clarity in both quiet and moderately noisy settings, and who value quality audio streaming. Those particularly sensitive to own-voice perception or who need maximum feedback stability may want to discuss these tradeoffs with their hearing care provider.

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Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
Cearvol Wave3.1
Oticon Zeal4.9
Speech in noiseNew
Cearvol Wave2.0
Oticon Zeal3.0
Own voice
Cearvol Wave2.1
Oticon Zeal2.0
Feedback handling
Cearvol Wave3.8
Oticon Zeal3.3
Music streaming
Cearvol Wave4.1
Oticon Zeal3.3
Overall fit score
Cearvol Wave4.0
Oticon Zeal4.7

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Fitting configuration for tuned fit

Cearvol WaveOticon Zeal
Ear CouplingPower Dome
Ear CouplingClosed Vented Dome
ReceiverIntegrated in device
Receiver75
Fitting FormulaProprietary manufacturer default
Fitting FormulaNAL-NL2
Listening ProgramRestaurant
Listening ProgramGeneral (Automatic)
Volume Setting70% (7/10 Default)
Volume SettingAdjusted to match NAL-NL2 targets at 55, 65, and 75 dB SPL
Software VersionSoftware v1.2.0, Firmware v1.3.9.0
Software VersionFirmware v1.0.0
Tuning AdjustmentsProgrammed to N3 audiogram, 3-Band equalizer adjusted, Other settings at manufacturer defaults
Tuning AdjustmentsProgrammed to N3 audiogram, Feedback calibrated, Acclimatization at 3/3, Other settings at manufacturer defaults
Notes
Notesn/a