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

Elehear Alpha
The Elehear Alpha is a budget-priced OTC hearing aid released in 2023, earning a B grade with a SoundScore of 3.3/5 in our lab testing. At $299, it sits in the most affordable price tier for over-the-counter devices, though its overall performance ranks #44 of 65 OTC hearing aids tested. This behind-the-ear device presents a distinctive performance profile with notable strengths and weaknesses. Music streaming stands out as exceptional, scoring 4.2/5—a strong result that's 2.28 points above the category average. Feedback handling is also excellent at 5.0/5, meaning users can expect stable performance without whistling issues. However, core speech understanding metrics fall below category norms: speech in quiet scores a mixed 2.1/5 (0.73 points below average), while speech in noise is low at 1.0/5 (0.48 points below average). Own-voice comfort is a significant limitation, scoring just 0.7/5—a low result that's 1.81 points below the category average. This suggests users may experience noticeable occlusion effects when speaking. The Elehear Alpha is best suited for budget-conscious consumers who prioritize music and media streaming over speech clarity in challenging environments. Those needing stronger speech performance should consider alternatives like the Elehear Beyond or Olive Union Air, which offer better sound scores at similar or lower price points. For users primarily streaming podcasts, audiobooks, or music who have modest speech amplification needs, the Alpha's excellent streaming quality and feedback stability may justify its trade-offs.

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.
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)
Audio scenes
Recorded samples (Tuned)
Fitting configuration for tuned fit