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Product Comparison

Cearvol Wave vs Otofonix Groove

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
Hero Image
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.

Otofonix Groove Hero
OtofonixSoundGrade C

Otofonix Groove

The Otofonix Groove is a behind-the-ear prescription hearing aid priced at $795, earning a C grade with a SoundScore of 2.7/5 in our lab testing. This rechargeable BTE device ranks 36th out of 36 tested prescription hearing aids, placing it in the bottom tier of its category. In our testing, the Groove demonstrated one clear strength: excellent feedback handling at 5.0/5, scoring 0.29 points above the category average. The device remained stable during our standardized challenge motions with no audible feedback issues. However, speech performance was significantly limited, with both speech in quiet and speech in noise scoring 1.0/5—falling 2.32 and 0.96 points below their respective category averages. Music streaming quality scored 0.0/5, which is 2.64 points below the prescription category average. Own-voice comfort was also low at 0.4/5 in the tuned configuration, 2.35 points below average, suggesting notable occlusion-related concerns. The normalized Initial Score of 2.7/5 and Tuned Score of 2.6/5 indicate that professional fitting adjustments did not improve overall performance. Given its positioning at the bottom of the prescription hearing aid category and the availability of lower-priced alternatives that scored higher in our testing, the Otofonix Groove may be difficult to recommend for most users seeking balanced sound quality across listening situations.

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Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
Cearvol Wave3.1
Otofonix Groove1.0
Speech in noiseNew
Cearvol Wave2.0
Otofonix Groove1.0
Own voice
Cearvol Wave2.1
Otofonix Groove0.4
Feedback handling
Cearvol Wave3.8
Otofonix Groove5.0
Music streaming
Cearvol Wave4.1
Otofonix Groove0.0
Overall fit score
Cearvol Wave4.0
Otofonix Groove2.6

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Audio scenes

Using MUSHRA scenes (Tuned)

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Fitting configuration for tuned fit

Cearvol WaveOtofonix Groove
Ear CouplingPower Dome
Ear CouplingClosed Dome
ReceiverIntegrated in device
Receiver
Fitting FormulaProprietary manufacturer default
Fitting Formula
Listening ProgramRestaurant
Listening Program
Volume Setting70% (7/10 Default)
Volume Setting
Software VersionSoftware v1.2.0, Firmware v1.3.9.0
Software Version
Tuning AdjustmentsProgrammed to N3 audiogram, 3-Band equalizer adjusted, Other settings at manufacturer defaults
Tuning Adjustments
Notes
Notes