Sennheiser All-Day Clear Slim vs Widex Allure RIC 440
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.
Choice

Widex Allure RIC 440
The Widex Allure RIC 440 is a premium prescription hearing aid released in 2025, priced at $4,398. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.7/5, ranking #7 among 39 prescription hearing aids tested—placing it in the top 15% of its category. This device delivers excellent speech clarity in quiet environments, scoring 4.4/5—a strong result that sits 1.04 points above the category average of 3.40/5. Speech understanding in noisy settings scores 2.3/5, which is above the category average but only mixed in absolute terms. Own-voice comfort is solid at 3.0/5, sitting 0.30 points above average. The most significant limitation is feedback handling, which scores just 1.7/5—a low result that falls 3.02 points below the category average of 4.72/5. Music streaming performance is mixed at 2.7/5, essentially matching the category average. These feedback challenges may require careful management during fitting and daily use. The Allure RIC 440 features rechargeable batteries, iPhone and Android streaming, and hands-free calling capability. At this premium price point, competitors like the Phonak Sphere Infinio (4.98/5) and Oticon Intent (4.83/5) offer higher overall scores. This hearing aid is best suited for users who prioritize speech clarity in quieter listening situations and can work with their hearing care professional to manage feedback limitations.
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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