Summary

The Linner Mars is a budget OTC hearing aid that fits in the ear and uses rechargeable batteries. It achieved a SoundGrade of C and sits in the bottom 15% of devices in the OTC category and in the bottom 10% of all devices tested.

In the initial fit condition, the Linner Mars performed well below average on speech in quiet, below average on speech in noise, above average on feedback handling, well below average on occlusion results, and well above average on music streaming quality. The overall fit score in the initial condition for the Linner Mars was well below average.

In the tuned fit condition, the Linner Mars performed well below average on speech in quiet, below average on speech in noise, above average on feedback handling, well below average on occlusion results, and well above average on music streaming quality. The overall fit score in the tuned condition for the Linner Mars was below average.

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Lab Review Scores
C
SoundGrade
Initial Score
2.4
Tuned Score
3.1
Speech in quiet
best
0.1
5.0
Own voice
best
1.0
5.0
Speech in noise
best
0.2
5.0
Feedback handling
best
5.0
5.0
Music streaming
best
4.6
5.0

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Lab recordings
Adjust volume to make "No hearing aids" as loud as it would be in the real world, without hearing aids. Remove hearing aids while auditioning. High-quality headphones will improve results!
Linner Mars Lab
Lab notes
Initial Fitting
Tuned Fitting
Ear Coupling
Initial Fitting
Closed Dome
Tuned Fitting
Closed Dome
Specs
Visible in Ear
Visible in Ear
Rechargeable Batteries
Rechargeable Batteries