Linner Mars vs ReSound OMNIA RIE
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

Linner Mars
The Linner Mars is a budget-priced OTC hearing aid that earns a B grade with a SoundScore of 3.1/5 in our lab testing. At $399, it falls in the lowest price tier for OTC devices, though its overall sound performance ranks #55 of 65 in the OTC Hearing Aid category. This device presents a stark contrast in performance across different listening situations. Music streaming is a genuine standout, scoring an excellent 4.6/5—well above the category average. Feedback handling also earns a perfect 5.0/5, meaning users shouldn't experience whistling or squealing issues. However, the Mars struggles significantly with its core hearing aid function: speech clarity. Speech in quiet scores just 1.9/5, and speech in noise drops to 1.0/5, both falling below category averages. Own-voice comfort is another weak point at 1.0/5, which is 1.51 points below the category average. Users may find their own voice sounds unnatural or boomy when wearing these devices. The tuned fit shows modest improvement over the initial fit (3.4/5 vs 3.1/5), primarily through better speech-in-quiet performance. The Linner Mars may appeal to budget-conscious consumers who prioritize music and media streaming over speech understanding. However, several competitors in the same price range—including the Elehear Beyond and Apple AirPods Pro 2—offer substantially better overall sound performance. Those seeking improved speech clarity should consider alternatives that score higher in that critical area.

ReSound OMNIA RIE
The ReSound OMNIA RIE is a premium prescription behind-the-ear hearing aid released in 2022, currently available at $4,498. In HearAdvisor's lab testing, it earns a B grade with a SoundScore of 3.9/5, ranking #31 of 39 devices in the prescription hearing aid category. This device shows notable strengths in speech clarity for quiet environments, scoring 3.7/5—a solid result that sits 0.34 points above the category average. Own-voice comfort also performs above average at 3.0/5, which may appeal to users who find their own voice bothersome in other devices. Feedback handling is strong in absolute terms at 4.1/5, though it falls 0.62 points below the category average of 4.72/5. The OMNIA RIE's most significant limitation is speech in noise performance, scoring just 1.0/5—a low result that trails the category average by 1.11 points. For users who frequently encounter challenging listening environments like restaurants or group conversations, this represents a meaningful gap compared to alternatives. Music streaming scores a mixed 2.7/5, essentially matching the category average. The device offers flexible power options with both rechargeable and disposable batteries, plus streaming compatibility with iPhone and Android devices including hands-free functionality. However, at this premium price point, several competitors deliver stronger overall performance, including options from Phonak, Oticon, and Widex. The OMNIA RIE may suit users who prioritize quiet-environment clarity and own-voice comfort over noise-handling capabilities.
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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