Phonak Audeo R Infinio 90 vs Signia Silk Charge&Go IX

The Phonak Audeo R Infinio 90 is a premium prescription behind-the-ear hearing aid released in 2024, priced at $4,996. In our lab testing, it earned an A grade with a SoundScore of 4.4/5, ranking #18 among 39 prescription hearing aids tested. Speech clarity is a standout strength in our testing. Speech in quiet scored 4.4/5, a strong result that sits 1.01 points above the category average. Speech in noise performance is more mixed at 2.5/5—above the category average by 0.37 points, but only moderate in absolute terms. This pattern suggests the Infinio 90 excels in calmer listening environments while offering incremental benefits in challenging noise. Streaming music quality impressed at 4.0/5, a strong score that lands 1.24 points above category average. Feedback handling scored 4.2/5, which is strong in absolute terms though 0.52 points below the category average. Own-voice comfort was mixed at 2.2/5, falling 0.50 points below average—something to discuss with your hearing care provider if natural voice quality is a priority. The Infinio 90 competes in a crowded premium segment. At this price point, alternatives like the Phonak Sphere Infinio (4.98/5) and Oticon Intent (4.83/5) achieved higher overall scores in our testing. Buyers seeking Phonak's ecosystem and strong speech-in-quiet performance may find the Infinio 90 appealing, though those prioritizing noise performance or own-voice comfort should compare options carefully with their provider.

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.