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Product Comparison

Sennheiser All Day Clear 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.

Uses Official HearAdvisor Lab Data
Expert Choice
Expert
Choice
Product Image
SennheiserSoundGrade A

Sennheiser All Day Clear

The Sennheiser All Day Clear is a mid-priced OTC hearing aid that earns an A grade with a SoundScore of 4.4/5, placing it in the top 8% of the OTC category and ranking #6 among 65 tested devices. At $949, this behind-the-ear device delivers strong overall performance that stands out in a crowded market. In our lab testing, the All Day Clear excels in speech clarity for quiet environments, scoring 4.0/5—a strong result that sits 1.25 points above the category average. Music streaming quality is another highlight, with a solid 3.3/5 score that's 1.38 points above average, making it one of the better choices for users who value audio fidelity beyond speech. Feedback handling is excellent at 5.0/5, meaning users should experience minimal whistling issues. The device shows more modest performance in challenging listening situations. Speech in noise scores 1.9/5, which is above the category average by 0.39 points but low in absolute terms—a common limitation across OTC devices. Own voice comfort is mixed at 2.5/5, essentially matching the category average. Best for: Consumers seeking a reliable OTC option with strong speech clarity in everyday quiet-to-moderate environments and quality music streaming. Those frequently in noisy settings may find the speech-in-noise performance limiting, though this reflects broader OTC category constraints rather than a specific weakness of this device.

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.

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Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
Sennheiser All Day Clear4.0
Sennheiser All-Day Clear Slim3.6
Speech in noiseNew
Sennheiser All Day Clear1.9
Sennheiser All-Day Clear Slim1.5
Own voice
Sennheiser All Day Clear2.5
Sennheiser All-Day Clear Slim1.9
Feedback handling
Sennheiser All Day Clear5.0
Sennheiser All-Day Clear Slim5.0
Music streaming
Sennheiser All Day Clear3.3
Sennheiser All-Day Clear Slim3.8
Overall fit score
Sennheiser All Day Clear4.4
Sennheiser All-Day Clear Slim4.1

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Fitting configuration for tuned fit

Sennheiser All Day ClearSennheiser All-Day Clear Slim
Ear CouplingClosed Vented Dome
Ear CouplingSleeve Closed
ReceiverStandard
Receiver
Fitting FormulaProprietary manufacturer default
Fitting Formula
Listening ProgramAutomatic
Listening Program
Volume Setting-4
Volume Setting
Software VersionUnknown
Software Version
Tuning Adjustments3-Band EQ adjusted (Bass - 5, Mid - 4, Treble - 4), Other settings and manufacturer defaults
Tuning Adjustments