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Product Comparison

HearingAssist Micro 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.

Uses Official HearAdvisor Lab Data
HearingAssist Micro Hero
HearingAssistSoundGrade B

HearingAssist Micro

The HearingAssist Micro is a premium amplifier in the invisible-in-ear style, priced at $698. In our lab testing, it earned a B grade with a SoundScore of 3.6/5, placing it #3 among the 8 amplification products we've tested. This device shows a clear strength in speech clarity during quiet environments, scoring 3.5/5—a solid result that sits 1.35 points above the category average of 2.11/5. Feedback handling is also strong at 4.0/5, though slightly below the category average of 4.28/5. Own-voice comfort comes in at 2.8/5, which is above the category average but only mixed in absolute terms. The Micro has notable limitations. Speech-in-noise performance is low at 1.1/5, falling 0.31 points below the category average. Music streaming is where this device struggles most significantly, scoring 0.0/5—well below the already modest category average of 1.16/5. Users who want to stream audio from their phone should look elsewhere. The HearingAssist Micro may suit those prioritizing discreet, invisible-in-ear design and clear speech understanding in quieter settings. However, buyers seeking strong noise management or any music streaming capability should consider alternatives. At this price point, the Sennheiser Conversation Clear Plus offers notably higher overall performance, while options like the iHear MatriX deliver similar sound quality at a lower price.

Signia Silk Charge&Go IX Hero
SigniaSoundGrade B

Signia Silk Charge&Go IX

The Signia Silk Charge&Go IX is a premium-priced invisible-in-ear prescription hearing aid currently available at $3,298. In HearAdvisor's lab testing, it earned a B grade with a SoundScore of 3.7/5, ranking #30 of 36 prescription hearing aids tested. This device delivers excellent speech clarity in quiet environments, scoring 4.6/5—a full 1.30 points above the category average. Speech in noise performance is mixed at 2.2/5, though still slightly above average for the category. Feedback handling is strong at 4.3/5, providing reliable stability during daily wear. The Silk Charge&Go IX has notable limitations. Own-voice comfort scores low at 1.5/5, falling 1.25 points below the category average—a consideration for users sensitive to how their own voice sounds while wearing hearing aids. Most significantly, the device scored 0.0/5 for music streaming, meaning it lacks practical streaming capability from phones or other devices. At this price point, competitors like the Phonak Sphere Infinio (5.0/5), Oticon Intent (4.85/5), and Signia's own Active Pro IX (4.67/5) deliver substantially higher overall sound performance. The Silk Charge&Go IX may appeal to users who prioritize an invisible form factor and strong speech clarity in quiet settings, but those who value music streaming or own-voice comfort should explore alternatives.

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Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
HearingAssist Micro3.5
Signia Silk Charge&Go IX4.6
Speech in noiseNew
HearingAssist Micro1.1
Signia Silk Charge&Go IX2.2
Own voice
HearingAssist Micro2.8
Signia Silk Charge&Go IX1.5
Feedback handling
HearingAssist Micro4.0
Signia Silk Charge&Go IX4.3
Music streaming
HearingAssist Micro0.0
Signia Silk Charge&Go IX0.0
Overall fit score
HearingAssist Micro3.5
Signia Silk Charge&Go IX4.2

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Fitting configuration for tuned fit

HearingAssist MicroSignia Silk Charge&Go IX
Ear CouplingOpen Dome
Ear CouplingTulip Dome