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

Zepp Clarity Omni
The Zepp Clarity Omni is a behind-the-ear OTC hearing aid priced at $399, earning a B grade with a SoundScore of 3.9/5 in HearAdvisor's lab testing. This places it in the top 37% of the 65 OTC hearing aids we've tested, offering solid overall performance in the budget price tier. The standout feature of the Omni is its music streaming quality, scoring 3.6/5—a full 1.68 points above the OTC category average. This makes it one of the stronger choices for users who prioritize phone audio streaming alongside hearing assistance. Feedback handling is excellent at 5.0/5, meaning users can expect stable performance without whistling during normal use. Speech clarity shows mixed results. Speech in quiet environments scores a solid 3.0/5, sitting 0.21 points above the category average. However, speech in noise scores 1.9/5—above the category average by 0.40 points, but still low in absolute terms. Users who frequently encounter noisy restaurants or group conversations may find performance limited in those situations. Own-voice comfort scores 2.7/5, which is above the category average but only mixed in absolute quality. The Zepp Clarity Omni is best suited for budget-conscious buyers who want reliable streaming audio and stable feedback performance, with adequate speech understanding in quieter settings. Those needing stronger speech-in-noise performance may want to explore alternatives like the higher-scoring Elehear Beyond 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