MDHearing Neo XS vs Signia Silk Charge&Go IX
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

MDHearing Neo XS
The MDHearing Neo XS is a budget OTC hearing aid featuring an invisible-in-ear design, priced at $397. In our lab testing, it earned a C grade with a SoundScore of 2.9/5, ranking #63 of 65 devices in the OTC hearing aid category. This device presents a mixed performance profile. Its standout strength is excellent feedback handling at 5.0/5, scoring 0.46 points above the category average—meaning users should experience minimal whistling or squealing during everyday use. Own-voice comfort is also solid at 3.2/5, sitting 0.69 points above average, which suggests the device manages occlusion reasonably well for its invisible design. However, speech clarity is a significant weakness. Speech in quiet scored just 1.0/5, falling 1.77 points below the category average, while speech in noise scored 1.0/5, sitting 0.48 points below average. Music streaming scored 0.0/5, coming in 1.92 points below average—indicating this device is not suitable for audio entertainment. These low absolute scores mean users may struggle to achieve meaningful speech benefit in our standardized test conditions. The invisible-in-ear form factor and rechargeable batteries offer convenience, but buyers should weigh this against the limited speech performance. Several competitors in the same price range—including the Elehear Beyond (4.34/5) and Apple AirPods Pro 2 (4.04/5)—deliver substantially better sound quality. The Neo XS may appeal to those prioritizing discretion and feedback-free wear over speech clarity, but most users seeking improved communication would benefit from exploring higher-performing alternatives.

Signia Silk Charge&Go IX
The Signia Silk Charge&Go IX is a premium prescription hearing aid featuring an invisible-in-ear design, currently available at $3,298. In HearAdvisor's lab testing, it earned a B grade with a SoundScore of 3.7/5, ranking #32 of 39 prescription hearing aids tested. This device demonstrates a notable strength in speech clarity for quiet environments, scoring an excellent 4.6/5—well above the category average by 1.22 points. Speech in noise performance is mixed at 2.2/5, though this still edges slightly above the category average. Feedback handling is strong at 4.3/5, providing reliable stability during typical wear, even if it falls just below the category average. The Silk Charge&Go IX has significant limitations to consider. Own-voice comfort scores low at 1.5/5, falling 1.20 points below the category average—a trade-off that may relate to the invisible form factor. Most notably, the device does not support music streaming, scoring 0.0/5 in that metric, which is 2.76 points below the category average. At this premium price point, several competitors deliver substantially higher overall performance, including the Phonak Sphere Infinio (4.98/5) and Oticon Intent (4.83/5). The Silk Charge&Go IX is best suited for users who prioritize an invisible, rechargeable design and primarily need clear speech understanding in quieter settings, while having minimal need for streaming audio content.
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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)
Fitting configuration for tuned fit