Cearvol Diamond X1 vs Zepp Clarity Omni

The Cearvol Diamond X1 is a budget-priced OTC hearing aid available for $199, earning a B grade with a SoundScore of 3.7/5 in our lab testing. This visible-in-ear style device ranks #30 among 65 OTC hearing aids tested, placing it in the top 45% of its category. The Diamond X1 delivers a mixed performance profile with one notable strength: music streaming. With a score of 4.1/5, it performs 2.18 points above the category average—a substantial margin that makes it appealing for users who value audio entertainment through their hearing aids. Feedback handling is excellent at 4.5/5, providing stable performance during typical daily movements. Both iPhone and Android streaming are supported with rechargeable batteries for convenience. Speech performance presents a more modest picture. Speech in quiet scores 2.8/5, which is above the category average but only mixed in absolute terms. Speech in noise measures 1.7/5—above the category average of 1.48/5, though still low overall. Own-voice comfort is a weakness at 1.7/5, falling 0.81 points below the category average, which may cause your own voice to sound unnatural or boomy. The Diamond X1 is best suited for budget-conscious consumers who prioritize music and media streaming over maximum speech clarity. Those seeking stronger speech performance in challenging listening environments may want to consider higher-scoring alternatives in this price range, such as the Elehear Beyond or Apple AirPods Pro 2.

The Zepp Clarity Omni is a budget-priced OTC hearing aid that earns a B grade with a SoundScore of 3.9/5 in HearAdvisor's lab testing, placing it in the top 37% of OTC devices. At $399, this behind-the-ear rechargeable device offers solid overall performance with some standout strengths. The Omni's most impressive feature is its music streaming quality, scoring 3.6/5—a full 1.68 points above the OTC category average. This makes it one of the better choices for users who prioritize streaming audio from their iPhone or Android device. Feedback handling is excellent at 5.0/5, meaning users can expect stable performance without whistling during typical daily activities. Speech performance shows a more nuanced picture. Speech in quiet scores a solid 3.0/5, sitting 0.21 points above category average. Speech in noise, however, scores 1.9/5—above the category average by 0.40 points, but still low in absolute terms. Users in challenging listening environments like busy restaurants should set realistic expectations. Own-voice comfort scores 2.7/5, above category average but only mixed in absolute terms. The Zepp Clarity Omni is best suited for budget-conscious consumers who value excellent streaming audio quality and reliable feedback control, and who primarily need hearing support in quieter environments. Those frequently encountering noisy settings may want to consider alternatives with stronger speech-in-noise performance.