Lucid Engage 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

Lucid Engage
The Lucid Engage is a mid-priced OTC hearing aid that earned an A grade with a SoundScore of 4.2/5 in our lab testing, ranking #14 among 65 OTC devices tested. Priced at $850, this behind-the-ear rechargeable device has received our Expert's Choice Award in both 2023 and 2024. In our testing, the Engage demonstrated strong speech clarity in quiet environments, scoring 4.3/5—a full 1.46 points above the OTC category average. Speech understanding in noisy settings scored 2.4/5, which is above the category average by 0.94 points but remains mixed in absolute terms. Own-voice comfort was solid at 3.6/5, exceeding the category average by over a point, which should help with natural-sounding self-perception during conversations. The device's main weakness is feedback handling, scoring 2.6/5—nearly 2 points below the category average of 4.54/5. Users may experience more whistling or feedback artifacts compared to other OTC options. Music streaming quality was mixed at 2.4/5, slightly above average but not a standout feature. The Lucid Engage is well-suited for consumers prioritizing speech clarity in everyday quiet-to-moderate listening situations who can accept trade-offs in feedback stability. Buyers in this price range may also consider alternatives like the Sony CRE-E10 or Lexie B2 Plus, which scored higher in our testing. The Engage supports both iPhone and Android streaming and offers rechargeable convenience.
Choice

Sennheiser All-Day Clear Slim
The Sennheiser All-Day Clear Slim is a premium behind-the-ear OTC hearing aid priced at $1,499, earning an A grade with a SoundScore of 4.1/5 in our lab testing. This places it in the top 23% of the OTC hearing aid category, ranking #16 among 65 tested devices. In our testing, the All-Day Clear Slim demonstrates notable strengths in music streaming, scoring 3.8/5—a solid result that sits 1.88 points above the category average. This makes it one of the stronger performers for users who prioritize audio quality when streaming from their phone. Feedback handling is excellent at 5.0/5, measuring 0.46 points above the category average, meaning users can expect stable performance without whistling during typical daily activities. Speech clarity in quiet environments is solid at 3.6/5, coming in 0.85 points above the category average. However, speech in noise performance is low at 1.5/5, matching the category average—a common limitation across OTC devices. Own-voice comfort scores 1.9/5, which is 0.61 points below the category average, suggesting some users may notice their own voice sounds different or hollow. The All-Day Clear Slim includes rechargeable batteries and supports streaming to both iPhone and Android devices with hands-free functionality. At its price point, alternatives like the Lucid Tala and Audicus Omni 2 offer higher overall scores, though the Sennheiser may appeal to those who value the brand's audio heritage and prioritize music streaming quality over speech-in-noise performance.
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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