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 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.
Choice

Widex Allure RIC 440
The Widex Allure RIC 440 is a premium prescription hearing aid released in 2025, earning an A grade with a SoundScore of 4.7/5 in HearAdvisor lab testing. Priced at $4,398, it ranks #6 among 36 prescription hearing aids tested, placing it in the top 14% of its category. This device excels in speech intelligibility in quiet environments, scoring 4.4/5—a strong result that sits 1.12 points above the category average. Speech in noise performance reaches 2.3/5, which is above the category average by 0.34 points but remains mixed in absolute terms. Own-voice comfort scores a solid 3.0/5, slightly above average for the category. The Allure RIC 440 shows a notable weakness in feedback handling, scoring 1.7/5—a low result that falls 3.01 points below the category average. This is an important consideration for users who may encounter feedback-prone situations. Music streaming performance is mixed at 2.7/5, essentially matching the category average. With rechargeable batteries, iPhone and Android streaming, and hands-free calling capability, the Allure RIC 440 offers modern connectivity features. In our testing, this device performed exceptionally well right out of the box, with a normalized Initial Score of 4.8/5. It's best suited for users who prioritize clear speech understanding in quieter settings and value strong initial performance with minimal adjustment.
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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