Sennheiser All Day Clear vs Signia Styletto C&G IX
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
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.
Choice

Signia Styletto C&G IX
The Signia Styletto C&G IX is a premium prescription behind-the-ear hearing aid released in 2024, priced at $3,398. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.6/5, placing it in the top 25% of prescription hearing aids and ranking #10 of 36 devices in its category. This device demonstrates strong performance across most sound quality metrics in our testing. Speech in quiet scored 3.9/5, which is 0.62 points above the category average of 3.32/5. Speech in noise came in at 2.5/5—above the category average by 0.58 points, though only mixed in absolute terms. Own-voice comfort was a particular strength at 3.7/5, exceeding the category average by 0.95 points. Music streaming quality scored a solid 3.1/5, sitting 0.46 points above the category average. However, feedback handling measured 3.6/5, which while solid in absolute terms, falls 1.11 points below the category average of 4.71/5. This represents the device's primary weakness relative to competitors. The Styletto C&G IX features rechargeable batteries, iPhone and Android streaming, and hands-free calling capability. It has earned HearAdvisor's Expert's Choice Award in both 2023 and 2024. Consumers seeking similar sound performance at lower prices may want to compare the Rexton Reach R-Li T80 at Costco or the Lexie B2 Plus. This device is best suited for those prioritizing speech clarity and own-voice comfort who can accept slightly below-average feedback 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