BlaidsX Micro vs Eargo 8
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

BlaidsX Micro
The BlaidsX Micro is a budget-priced OTC hearing aid in the visible-in-ear style, earning a B grade with a SoundScore of 3.1/5 in HearAdvisor's lab testing. At $499, it sits in the lowest price tier for the category but ranks #59 of 65 OTC hearing aids tested, placing it in the bottom 11% of the category. In our testing, the BlaidsX Micro delivered mixed results across performance metrics. Its standout strength is excellent feedback handling, scoring a perfect 5.0/5 after tuning—0.46 points above the category average. Speech in quiet performance is slightly above average at 2.9/5, though this represents only mixed absolute quality. However, the device struggles significantly in several areas: speech in noise scores just 1.0/5, falling 0.48 points below average, while own-voice comfort is notably low at 1.0/5, which is 1.51 points below average. Music streaming is a significant weakness, scoring 0.0/5—nearly 2 points below the category average. This makes the BlaidsX Micro unsuitable for users who prioritize streaming audio quality. The device uses disposable batteries rather than rechargeable options. At its $499 price point, several competitors offer stronger overall performance. The Elehear Beyond and Cearvol Wave both deliver higher sound scores at lower prices. The BlaidsX Micro may appeal to budget-conscious consumers who prioritize feedback-free wear and basic speech clarity in quiet environments, but those seeking balanced performance across features—especially streaming or challenging listening situations—should consider alternatives.

Eargo 8
The Eargo 8 is a premium-priced OTC hearing aid featuring an invisible-in-ear design with rechargeable batteries, priced at $2,399. In our lab testing, it earned a B grade with a SoundScore of 3.4/5, placing it in the top 71% of the OTC Hearing Aid category. Sound performance presents a mixed picture. The Eargo 8 delivers solid speech-in-quiet performance at 3.1/5, scoring 0.27 points above the category average—making it a reasonable choice for conversational settings without background noise. Own-voice comfort is another strength, measuring 0.69 points above average at 3.2/5, which may appeal to users who are sensitive to hearing their own voice through hearing aids. Feedback handling is strong in absolute terms at 4.2/5, though slightly below the category average. However, the device shows notable weaknesses in challenging listening environments. Speech-in-noise performance is low at 1.2/5, falling 0.27 points below the category average—users who frequently encounter noisy restaurants, busy offices, or social gatherings may find this limiting. Music streaming scored 0.0/5, significantly below the category average, making this device unsuitable for users who prioritize audio entertainment through their hearing aids. The Eargo 8 is best suited for users who prioritize discreet, invisible-in-ear styling and primarily need assistance in quieter conversational settings. However, at this premium price point, buyers should be aware that similarly-priced alternatives and even some lower-cost options may offer comparable or better overall sound performance.
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Performance metrics
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