Phonak Audéo Lumity 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.
Choice

Phonak Audéo Lumity
The Phonak Audéo Lumity is a premium prescription behind-the-ear hearing aid released in 2022, priced at $4,398. In HearAdvisor's lab testing, it earned a SoundScore of 4.1/5 (A grade), ranking #21 of 36 prescription hearing aids tested. This device demonstrates clear strengths in specific performance areas. Music streaming quality is strong at 4.1/5, scoring 1.46 points above the category average—a notable advantage for users who frequently stream audio from their phones. Feedback handling is excellent at 5.0/5, meaning the Lumity maintained stability without audible feedback during our standardized challenge tests. Speech in quiet environments also performs solidly at 3.7/5, measuring 0.37 points above the prescription category average. However, the Lumity shows a significant weakness in own-voice comfort, scoring just 1.0/5—a full 1.75 points below the category average. This low score suggests users may notice more occlusion or an unnatural quality to their own voice. Speech in noise performance is mixed at 2.1/5; while this is slightly above the category average (+0.19 points), it remains modest in absolute terms. The Audéo Lumity is best suited for users who prioritize excellent streaming quality and reliable feedback control, and who are less sensitive to own-voice occlusion effects. Those who struggle primarily with speech understanding in noisy environments may want to compare against higher-scoring competitors in this price range, such as the Phonak Sphere Infinio or Oticon Intent.

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 level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit