Cearvol Diamond X1 vs Elehear Delight
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

Cearvol Diamond X1
The Cearvol Diamond X1 is a budget-priced OTC hearing aid that earned a B grade with a SoundScore of 3.7/5 in our lab testing, placing it in the top 45% of OTC devices. At $199, it represents an accessible entry point for those exploring hearing amplification. The Diamond X1's standout performance is in music streaming, scoring 4.1/5—a strong result that sits 2.18 points above the OTC category average. This makes it notably capable for users who prioritize audio entertainment through their hearing devices. Feedback handling is also excellent at 4.5/5, meaning users should experience minimal whistling during normal use. However, speech performance presents limitations. Speech in quiet scores a mixed 2.8/5, and speech in noise registers at 1.7/5. While both metrics technically sit above category averages (+0.03 and +0.22 points respectively), they remain low in absolute terms—important context for anyone prioritizing conversation clarity. Own-voice comfort is another weakness, scoring 1.7/5, which is 0.81 points below the category average and may affect how natural users sound to themselves. The Diamond X1 is best suited for budget-conscious consumers who value music streaming quality and aren't heavily reliant on challenging listening environments. Those who prioritize speech understanding in noise or natural own-voice perception may want to consider alternatives in this price range, such as the higher-scoring Elehear Beyond or Apple AirPods Pro 2.
Choice

Elehear Delight
The Elehear Delight is a budget-priced OTC hearing aid that delivers impressive performance in HearAdvisor's lab testing, earning an A grade with a SoundScore of 4.3/5. At $315, this visible-in-ear style device ranks #9 among 65 OTC hearing aids tested, placing it in the top 12% of the category. In our testing, the Delight demonstrates strong speech clarity in quiet environments, scoring 4.0/5—a full 1.21 points above the OTC category average of 2.79/5. Music streaming quality is similarly impressive at 3.1/5, which is 1.18 points above the category average and represents solid performance for this price tier. Speech understanding in noisy environments scores 1.8/5, which is above the category average of 1.48/5, though still low in absolute terms—a common challenge across OTC devices. Own-voice comfort scores 2.9/5, above the category average by 0.39 points, though only mixed in absolute terms. Feedback handling is strong at 4.2/5, though slightly below the category average of 4.54/5. The device uses a closed vented dome coupling with an integrated receiver design. The Elehear Delight is well-suited for budget-conscious consumers seeking a capable OTC hearing aid with particular strengths in quiet conversation and audio streaming. Those who frequently encounter challenging noise environments may want to consider whether the modest speech-in-noise performance meets their needs.
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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