Phonak Audéo Infinio Ultra vs. Signia Silk Charge&Go IX

Phonak’s Infinio Sphere delivers genuinely standout speech clarity in loud, noisy places thanks to its DEEPSONIC “Sphere mode,” but you’ll trade some discretion and may wrestle with fit or Bluetooth pairing to get that top-tier performance.

The Signia Silk Charge&Go IX is a groundbreaking, rechargeable completely-in-canal (CIC) hearing aid designed for people with mild to moderate hearing loss. It offers up to 28 hours of battery life, instant fit with soft silicone ear tips, and wireless control via the Signia app, but lacks Bluetooth streaming and can be challenging to handle due to its small size.

Phonak Audeo R Infinio 90 achieved a SoundScore of 4.4/5 and a SoundGrade of A in HearAdvisor lab testing. It ranked #18 of 39 Prescription Hearing Aid devices tested. The Prescription Hearing Aid category average SoundScore was 4.19/5.

Signia Silk Charge&Go IX achieved a SoundScore of 3.7/5 and a SoundGrade of B in HearAdvisor lab testing. It ranked #32 of 39 Prescription Hearing Aid devices tested. The Prescription Hearing Aid category average SoundScore was 4.19/5.

Phonak Audéo Infinio have an excellent build quality with a robust, portable charging case and a high ingress rating of IP68.

Signia Silk C&G IX have an impressive build quality, featuring a top-of-the-line IP68 ingress rating, which is crucial for nearly invisible hearing aids. They also come with a durable portable charging case.

Audéo Infinio offer around 31 hours of use per charge under normal use and streaming conditions. They take 3 to 4 hours to recharge, and a 30-minute quick charge can provide an additional 6 hours of use.

Silk IX provide up to 20 hours of use per charge which is exceptional given their extremely small size. Recharging takes up to 4 hours, which is longer than some other models, but this isn't a significant drawback given their all-day battery life.

Phonak Infinio are compatible with both iOS and Android, offering wireless audio streaming and hands-free calls. Pairing is now easier directly from your phone's Bluetooth menu.

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I found the MyPhonak Hearing Aid app easy to use with many useful features, including health and fitness tracking.

While Silk IX hearing aids are not Bluetooth compatible, they still work with Signia's app using high-frequency coded signals. This is a valuable addition, although the communication is less stable than Bluetooth and the app offers fewer features compared to other Signia models.

Phonak Audéo Infinio were extremely comfortable and lightweight in my ears. In general, hearing care providers can make numerous physical changes to prescription hearing aids to improve comfort.

I found Silk IX very comfortable for an instant-fit nearly invisible hearing aid. Your hearing care provider should ensure they are fitted for optimal comfort and hearing benefit.

Phonak's Audéo Infinio is significantly smaller than their Sphere model which is great if size is a priority. It sits discretely behind the ear like most modern prescription hearing aids.

Silk IX is another unique offering from Signia, featuring an instant fit design with silicone ear tips that is nearly invisible. Its extremely small and discreet design may, however, pose challenges for those with limited dexterity and or vision.

Phonak Audeo R Infinio 90 has a value score of 3.3/5 based on lab performance and public display price.

Signia Silk Charge&Go IX has a value score of 2.8/5 based on lab performance and public display price.

Infinio are easy to use and adjust using either the large multi-function button or MyPhonak app. I had no issues making adjustments with either.

I did not run into any issues while using Silk IX hearing aids. They are very easy to use once setup by your hearing care provider. Silk also have large color indicators making it easy to distinguish the left from the right hearing aids.

Prescription hearing aids like Infinio are fit by hearing care providers so you should receive quality care. The MyPhonak app also opens the possibility for remote programming and virtual follow-up appointments.

You should receive quality hearing care and support from your provider. The Signia App should further enhance your experience with AI help and remote assistance should your provider offer telehealth services.