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Product Comparison

JLab Hear OTC vs Linner Mercury

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

Uses Official HearAdvisor Lab Data
JLab Hear OTC Hero
JLabSoundGrade B

JLab Hear OTC

The JLab Hear OTC is a budget-friendly OTC hearing aid priced at $100, earning a B grade with a SoundScore of 3.6/5 in HearAdvisor's lab testing. This visible-in-ear device ranks #36 of 65 OTC hearing aids tested, placing it in the top 54% of its category. In our testing, the JLab Hear OTC shows a distinctive performance profile with clear strengths and weaknesses. Music streaming stands out as exceptional, scoring 4.6/5—a remarkable 2.68 points above the category average. Feedback handling also performs excellently at 5.0/5, providing stable amplification without whistling during our standardized challenge motions. These strengths make it particularly well-suited for users who prioritize streaming audio content. However, speech performance presents limitations. Speech in quiet scores 2.1/5, which is 0.67 points below the category average of 2.79. Speech in noise is more constrained at 1.0/5, falling 0.46 points below average. Own-voice comfort also scores low at 1.8/5, which is 0.71 points below the category norm. These results suggest the device may be less effective for primary speech amplification needs compared to alternatives in its price range. The JLab Hear OTC includes rechargeable batteries and supports both iPhone and Android streaming with hands-free functionality. At this price point, competitors like the Elehear Beyond (4.36/5) and Apple AirPods Pro 2 (4.06/5) offer stronger overall sound performance. This device may appeal most to budget-conscious users who value excellent streaming quality and feedback stability over speech enhancement capabilities.

Linner Mercury Hero
LinnerSoundGrade B

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 in quietNew
JLab Hear OTC2.1
Linner Mercury2.2
Speech in noiseNew
JLab Hear OTC1.0
Linner Mercury1.0
Own voice
JLab Hear OTC1.8
Linner Mercury1.6
Feedback handling
JLab Hear OTC5.0
Linner Mercury4.7
Music streaming
JLab Hear OTC4.6
Linner Mercury0.0
Overall fit score
JLab Hear OTC3.6
Linner Mercury3.0

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Audio scenes

Using MUSHRA scenes (Tuned)

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Fitting configuration for tuned fit

JLab Hear OTCLinner Mercury
Ear CouplingClosed Dome
Ear CouplingPower Dome
ReceiverIntegrated in device
Receiver
Fitting FormulaProprietary manufacturer default
Fitting Formula
Listening ProgramP3: Conversation
Listening Program
Volume Setting75% (3/4 volume)
Volume Setting
Software VersionUnknown (Not displayed)
Software Version
Tuning Adjustmentsn/a
Tuning Adjustments
NotesTuned and Initial Fittings identical as device offered limited adjustments.
Notes