Elehear Alpha vs Sontro Soundwave
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 that earned a B grade with a SoundScore of 3.4/5 in HearAdvisor's lab testing. At $299, this behind-the-ear device sits in the lower price tier of the OTC category and delivers a performance profile with notable strengths and weaknesses. The Alpha's standout feature is its music streaming quality, scoring a strong 4.2/5—a full 2.28 points above the OTC category average. This makes it an unusually capable choice for users who prioritize audio entertainment alongside hearing assistance. Feedback handling is also excellent at 5.0/5, meaning you're unlikely to experience whistling or squealing during normal use. However, speech clarity presents challenges. Speech in quiet scores a mixed 2.1/5, falling 0.73 points below the category average, while speech in noise is low at 1.0/5, sitting 0.48 points below average. Own-voice comfort is particularly weak at 0.7/5, measuring 1.81 points below the category average—users may notice their own voice sounds unnatural or boomy. Within the same price range, several alternatives offer stronger overall performance, including the Elehear Beyond (4.36/5), Apple AirPods Pro 2 (4.06/5), and Zepp Clarity Omni (3.88/5). The Alpha may appeal to budget-conscious users who primarily want reliable music streaming and stable feedback performance, but those prioritizing speech understanding should consider higher-scoring options.

Sontro Soundwave
The Sontro Soundwave is a mid-priced OTC hearing aid priced at $849, earning a B grade with a SoundScore of 3.1/5 in HearAdvisor's lab testing. This behind-the-ear device uses disposable batteries and ranks #61 of 65 OTC hearing aids tested, placing it in the top 92% of its category. In our lab testing, the Soundwave shows a notable strength in own-voice comfort, scoring 3.6/5—a solid result that sits 1.09 points above the category average. This suggests users may experience less of the "talking in a barrel" sensation that can occur with some hearing aids. However, the device faces challenges in other key areas. Speech in quiet scores 2.7/5 (mixed, 0.12 points below average), while speech in noise registers at 1.2/5 (low, 0.28 points below average), indicating potential difficulty in challenging listening environments. The most significant limitations appear in music streaming and feedback handling. Music streaming scores 0.0/5, falling 1.92 points below the category average—a notable weakness for users who value audio entertainment. Feedback handling scores 2.5/5, which is 2.04 points below the category average of 4.54/5, suggesting the device may be more prone to whistling issues. At this price point, competitors offer substantially stronger performance. Devices like the Sony CRE-E10 and Lexie B2 Plus deliver significantly higher sound scores in the same price range. The Sontro Soundwave may suit those prioritizing own-voice comfort over speech clarity and streaming quality, but most users would benefit from exploring higher-performing alternatives at similar or lower prices.
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
Using MUSHRA scenes (Tuned)
Fitting configuration for tuned fit