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Product Comparison

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.

Uses Official HearAdvisor Lab Data
Expert Choice
Expert
Choice
Sennheiser All-Day Clear Slim Hero
SennheiserSoundGrade A

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.

Expert Choice
Expert
Choice
Widex Allure RIC 440 Hero
WidexSoundGrade A

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 in quietNew
Sennheiser All-Day Clear Slim3.6
Widex Allure RIC 4404.4
Speech in noiseNew
Sennheiser All-Day Clear Slim1.5
Widex Allure RIC 4402.3
Own voice
Sennheiser All-Day Clear Slim1.9
Widex Allure RIC 4403.0
Feedback handling
Sennheiser All-Day Clear Slim5.0
Widex Allure RIC 4401.7
Music streaming
Sennheiser All-Day Clear Slim3.8
Widex Allure RIC 4402.7
Overall fit score
Sennheiser All-Day Clear Slim4.1
Widex Allure RIC 4404.2

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Fitting configuration for tuned fit

Sennheiser All-Day Clear SlimWidex Allure RIC 440
Ear CouplingSleeve Closed
Ear CouplingTulip Dome
Receiver
ReceiverMedium-power
Fitting Formula
Fitting FormulaProprietary manufacturer default
Listening Program
Listening ProgramUniversal (Automatic)
Volume Setting
Volume SettingAdjusted to match NAL-NL2 targets at 55, 65, and 75 dB SPL
Software Version
Software VersionFrontend v1.3.795874, Backend v1.3.9466.12
Tuning Adjustments
Tuning AdjustmentsProgrammed to N3 audiogram, Feedback calibrated, Other settings at manufacturer defaults