Cearvol Wave vs HearingAssist Eaze
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 Eaze
The HearingAssist Eaze is a budget-priced OTC hearing aid released in 2023, earning a B grade with a SoundScore of 3.4/5 in our lab testing. At $399, it sits in the most affordable price tier of the OTC market, though it ranks #43 of 65 devices in its category. In our standardized testing, the Eaze demonstrates excellent feedback handling, scoring a perfect 5.0/5—0.46 points above the category average. This means users can expect stable performance without whistling during typical daily activities. However, the device shows limitations in other areas: speech clarity scores are mixed at 2.6/5 in quiet and low at 1.3/5 in noisy environments, both falling slightly below category averages. The most significant limitation is music streaming, which scored 0.0/5—nearly 2 points below the category average. Buyers who prioritize phone streaming for music or media should consider alternatives. Own-voice comfort is also mixed at 2.2/5, approximately 0.31 points below average for OTC devices. At this price point, shoppers have several higher-scoring alternatives to consider, including the Elehear Beyond and Apple AirPods Pro 2, which offer stronger overall performance. The HearingAssist Eaze may suit budget-conscious buyers who prioritize feedback stability over streaming capabilities and can accept modest speech performance in challenging listening situations.
We independently review each item we recommend and appreciate your trust and support. When you buy through our links, we may earn a commission. Learn More.
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