Sony CRE-C20 vs Zepp Clarity Pixie
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

Sony CRE-C20
The Sony CRE-C20 is a mid-priced OTC hearing aid with an invisible-in-ear design, available for $999. In our lab testing, it earned a B grade with a SoundScore of 3.5/5, ranking #37 of 65 OTC hearing aids tested. This device shows a notable split in performance. Speech clarity is a clear strength—speech in quiet scores 4.1/5, which is 1.33 points above the category average, and speech in noise scores 2.7/5, sitting 1.24 points above average despite being only mixed in absolute terms. These results suggest the CRE-C20 prioritizes conversational intelligibility in its tuning approach. However, the device has significant limitations. Music streaming scored 0.0/5, falling 1.92 points below the category average—a notable weakness for users who want to stream audio. Feedback handling is solid at 3.9/5, though it sits 0.64 points below the category average of 4.54/5. Own voice comfort is mixed at 2.9/5, slightly above the category average. The CRE-C20 responds well to adjustment, with the normalized score improving from 3.3/5 at initial fit to 4.2/5 when tuned—a 0.9-point gain. Buyers focused primarily on speech understanding in conversations may find value here, but those wanting music streaming or seeking the strongest overall OTC performance should note that several competitors in this price range, including the Sony CRE-E10 at 4.66/5, scored higher in our testing.

Zepp Clarity Pixie
The Zepp Clarity Pixie is a mid-priced OTC hearing aid featuring an invisible-in-ear design, priced at $999. In our lab testing, it earned a B grade with a SoundScore of 3.6/5, placing it in the top 48% of the OTC hearing aid category. This device delivers solid speech clarity in quiet environments, scoring 3.6/5—notably 0.77 points above the category average. Speech understanding in noisy settings scores 1.7/5, which is above the category average but low in absolute terms, indicating modest benefit when background noise is present. Feedback handling is strong at 4.3/5, though slightly below the category average of 4.54/5. The Pixie shows significant limitations in certain areas. Own-voice comfort scores 1.5/5, falling 1.01 points below the category average, which may result in a noticeable hollow or boomy quality to your own voice. Music streaming capability is essentially absent, scoring 0.0/5—nearly 2 points below average—making this device unsuitable for those who prioritize streaming audio quality. The invisible-in-ear form factor offers excellent discretion, and the device includes rechargeable batteries with both iPhone and Android streaming connectivity. However, shoppers in this price range should note that several competitors offer substantially higher sound performance. The Zepp Clarity Pixie may appeal to those prioritizing an ultra-discreet design and strong speech clarity in quiet settings, but listeners who value streaming music or need better noise management may find better options elsewhere in this price tier.
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