Audien Hearing Atom vs Sontro Soundwave
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

Audien Hearing Atom
The Audien Hearing Atom is a budget-priced OTC hearing aid that earns a B grade with a SoundScore of 3.3/5 in HearAdvisor's lab testing. At $89, it's positioned as an entry-level option in the visible-in-ear category, ranking #52 of 65 OTC hearing aids tested. In our testing, the Atom demonstrates mixed results across key performance areas. Its standout strength is excellent feedback handling, scoring a perfect 5.0/5—0.46 points above the category average. This means users can expect stable performance without whistling or squealing during typical wear. However, speech clarity metrics fall below category averages: speech in quiet scores 2.6/5 (0.15 points below average) and speech in noise scores a low 1.0/5 (0.48 points below average), which may limit effectiveness in challenging listening environments. The Atom does not support music streaming, scoring 0.0/5 in this category—1.92 points below the OTC average. Own-voice comfort is mixed at 2.1/5, sitting 0.41 points below the category average. These limitations are notable when compared to similarly-priced alternatives like the Elehear Beyond (4.36/5) or Apple AirPods Pro 2 (4.06/5), which offer substantially stronger overall performance. This device may suit budget-conscious consumers who prioritize basic amplification and feedback-free wear over speech clarity in noise or streaming capabilities. Those seeking stronger speech performance or music features should consider higher-scoring alternatives in this price range.

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.
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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)
Audio scenes
Using MUSHRA scenes (Tuned)
Fitting configuration for tuned fit