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

Linner Mercury
The Linner Mercury is a budget OTC hearing aid priced at $387, earning a B grade with a SoundScore of 3.0/5 in our lab testing. This visible-in-ear style device ranks #60 of 65 in the OTC Hearing Aid category, positioning it in the lower tier of available options. In our standardized testing, the Mercury demonstrates excellent feedback handling at 4.7/5, scoring 0.16 points above the category average. This means users are unlikely to experience whistling or squealing during typical wear. However, the device shows limitations in other key areas. Speech in quiet scores 2.2/5, falling 0.62 points below the category average, while speech in noise performance is low at 1.0/5, sitting 0.48 points below average. Own-voice comfort is also low at 1.6/5, measuring 0.91 points below the category average. The most significant limitation is music streaming, which scores 0.0/5—a full 1.92 points below the category average. Users who plan to stream phone calls or music through their hearing aids should consider alternatives. At this price point, competitors like the Elehear Beyond and Apple AirPods Pro 2 offer substantially higher overall scores. The Linner Mercury may suit budget-conscious first-time users who prioritize stable, feedback-free wear over streaming capabilities or challenging listening environments. However, those seeking better speech clarity or music quality should explore other 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)
Fitting configuration for tuned fit