Lexie B3 vs Sennheiser All-Day Clear Slim
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Choice

Lexie B3
The Lexie B3 is a mid-priced OTC hearing aid available at $999 that achieves an A grade with a SoundScore of 4.7/5 in our lab testing, ranking #1 among 65 OTC hearing aid devices tested. This behind-the-ear style device delivers category-leading performance across multiple metrics. Speech clarity is a standout strength. In our lab testing, the Lexie B3 scores an excellent 4.5/5 for speech in quiet, measuring 1.73 points above the OTC category average. Speech in noise performance scores 2.5/5—above the category average by 1.02 points, though only mixed in absolute terms at 2.5/5. This pattern reflects the broader challenge OTC devices face in noisy environments while still positioning the B3 as a top performer relative to its category. Music streaming quality is solid at 3.3/5, outperforming the category average by 1.38 points. Own-voice comfort scores a solid 3.0/5, sitting 0.49 points above average. Feedback handling is excellent at 4.6/5, essentially matching the already-strong category average. The Lexie B3 is best suited for consumers seeking top-tier OTC sound performance without prescription hearing aid costs. Those who prioritize speech clarity in quieter settings will find particular value here. Budget-conscious shoppers may want to consider alternatives like the RxEars Rxi, which offers strong performance at a lower price point.
Choice

Sennheiser All-Day Clear Slim
The Sennheiser All-Day Clear Slim is a premium OTC behind-the-ear hearing aid priced at $1,499, earning an A grade with a SoundScore of 4.1/5. This places it in the top 23% of OTC hearing aids tested in our lab, ranking #16 among 65 devices in its category. This device excels in areas that reflect Sennheiser's audio heritage. Music streaming quality is a standout strength, scoring 3.8/5—a solid result that's 1.88 points above the OTC category average. Feedback handling is excellent at 5.0/5, meaning users can expect stability without whistling during typical use. Speech in quiet environments also performs well at 3.6/5, sitting 0.85 points above average for the category. However, the All-Day Clear Slim shows limitations in other areas. Speech in noise scores 1.5/5, matching the category average but representing a low absolute score that may challenge users in noisy restaurants or group conversations. Own-voice comfort is below average at 1.9/5, which could affect how natural users sound to themselves during conversation. The All-Day Clear Slim is best suited for consumers who prioritize music streaming and media consumption alongside hearing support, and who spend more time in quieter environments. Those frequently navigating noisy social situations may want to compare against higher-ranked competitors in this price range, such as the Lucid Tala or Audicus Omni 2, which achieve stronger overall scores.
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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