Elehear Alpha vs Linner Mercury
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

Elehear Alpha
The Elehear Alpha is a budget-priced OTC hearing aid that earned a B grade with a SoundScore of 3.4/5 in HearAdvisor's lab testing. At $299, this behind-the-ear device sits in the lower price tier of the OTC category and delivers a performance profile with notable strengths and weaknesses. The Alpha's standout feature is its music streaming quality, scoring a strong 4.2/5—a full 2.28 points above the OTC category average. This makes it an unusually capable choice for users who prioritize audio entertainment alongside hearing assistance. Feedback handling is also excellent at 5.0/5, meaning you're unlikely to experience whistling or squealing during normal use. However, speech clarity presents challenges. Speech in quiet scores a mixed 2.1/5, falling 0.73 points below the category average, while speech in noise is low at 1.0/5, sitting 0.48 points below average. Own-voice comfort is particularly weak at 0.7/5, measuring 1.81 points below the category average—users may notice their own voice sounds unnatural or boomy. Within the same price range, several alternatives offer stronger overall performance, including the Elehear Beyond (4.36/5), Apple AirPods Pro 2 (4.06/5), and Zepp Clarity Omni (3.88/5). The Alpha may appeal to budget-conscious users who primarily want reliable music streaming and stable feedback performance, but those prioritizing speech understanding should consider higher-scoring options.

Linner Mercury
The Linner Mercury is a budget-priced OTC hearing aid that earns a B grade with a SoundScore of 3.1/5 in our lab testing. Priced at $387, it ranks #60 of 65 devices in the OTC Hearing Aid category, placing it in the top 91% of the category. In our testing, the Mercury shows a mixed performance profile. Its standout strength is excellent feedback handling at 4.7/5, which is 0.16 points above the category average—meaning users are unlikely to experience whistling or squealing during normal use. However, speech clarity metrics fall below category norms: speech in quiet scores 2.2/5 (0.62 points below average), and speech in noise scores a low 1.0/5 (0.48 points below average). Own-voice comfort also scores low at 1.6/5, sitting 0.91 points below the category average. Music streaming is a notable weakness, scoring 0.0/5—a full 1.92 points below the category average. Users who prioritize streaming audio from their phone should consider alternatives. The device uses a rechargeable battery and features a visible in-ear design with power dome coupling. At this price point, several competitors offer stronger overall performance. The Linner Mercury may appeal to budget-conscious consumers who prioritize feedback-free operation over speech clarity and streaming quality, but those seeking better speech understanding in challenging environments should explore higher-scoring options in this price range.
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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)
Audio scenes
Using MUSHRA scenes (Tuned)
Fitting configuration for tuned fit