Cearvol Wave vs HearingAssist Micro
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

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.

HearingAssist Micro
The HearingAssist Micro is a premium amplifier in the invisible-in-ear style, priced at $698. In our lab testing, it earned a B grade with a SoundScore of 3.6/5, placing it #3 among the 8 amplification products we've tested. This device shows a clear strength in speech clarity during quiet environments, scoring 3.5/5—a solid result that sits 1.35 points above the category average of 2.11/5. Feedback handling is also strong at 4.0/5, though slightly below the category average of 4.28/5. Own-voice comfort comes in at 2.8/5, which is above the category average but only mixed in absolute terms. The Micro has notable limitations. Speech-in-noise performance is low at 1.1/5, falling 0.31 points below the category average. Music streaming is where this device struggles most significantly, scoring 0.0/5—well below the already modest category average of 1.16/5. Users who want to stream audio from their phone should look elsewhere. The HearingAssist Micro may suit those prioritizing discreet, invisible-in-ear design and clear speech understanding in quieter settings. However, buyers seeking strong noise management or any music streaming capability should consider alternatives. At this price point, the Sennheiser Conversation Clear Plus offers notably higher overall performance, while options like the iHear MatriX deliver similar sound quality at a lower price.
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Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Scale 1-5 (Tuned)
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit