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

Blaids BlaidsX Pro
The Blaids BlaidsX Pro is a behind-the-ear amplification product that earns a B grade with a SoundScore of 3.4/5 in our lab testing, ranking #4 of 8 devices in the Amplification Product category. Priced at $549, it sits in the premium amplifier tier. This device's standout strength is speech clarity in quiet environments, scoring 3.3/5—a solid result that sits 1.21 points above the category average of 2.11/5. For users who primarily need help hearing conversations in calm settings like home or one-on-one discussions, this represents meaningful benefit over many competing amplifiers. However, the BlaidsX Pro shows limitations in other areas. Speech in noise performance is low at 1.2/5, slightly below the category average. Music streaming scored 0.0/5, falling 1.16 points below the category average—users who want to stream audio from their phone should look elsewhere. Feedback handling is solid in absolute terms at 3.3/5, though this sits below the category average of 4.28/5. The BlaidsX Pro uses disposable batteries and does not offer app-based customization or Bluetooth streaming capabilities. It's best suited for users who prioritize speech understanding in quiet environments and prefer a straightforward, no-frills amplification solution. Those needing robust performance in noisy situations or streaming functionality should consider alternatives like the Sennheiser Conversation Clear Plus, which scored 4.04/5 in our testing.

Sontro Soundwave
The Sontro Soundwave is a mid-priced OTC hearing aid that earns a B grade with a SoundScore of 3.0/5 in our lab testing. At $849, this behind-the-ear device uses disposable batteries and sits in the lower tier of OTC performance, ranking #61 of 65 devices in its category. The Soundwave's strongest attribute is own-voice comfort, scoring 3.6/5—a solid result that sits 1.09 points above the OTC category average. This makes it relatively comfortable for wearers who are sensitive to hearing their own voice sound unnatural or boomy. However, other performance areas present significant limitations. Speech clarity scores are below average in both quiet and noisy environments. Speech in quiet scores 2.7/5 (0.12 points below average), while speech in noise drops to 1.2/5 (0.28 points below average). Feedback handling is a notable weakness at 2.5/5, falling 2.04 points below the category average of 4.54/5. Perhaps most limiting is the music streaming score of 0.0/5, indicating this device does not support phone audio streaming—a feature many competitors in this price range offer. Consumers prioritizing own-voice comfort on a moderate budget may find the Soundwave acceptable, but those seeking strong speech clarity or streaming capability should consider alternatives. Several higher-performing OTC devices are available at similar or lower price points, including options like the Lexie Lumen or HearingAssist Control that deliver comparable or better overall sound quality.
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