Phonak CROS Infinio
Routes sound from a deaf ear to an Audéo Infinio R
CROS Infinio (CROS I-R) is worn on an ear that cannot be aided and streams sound to an Audéo Infinio R on the better ear. It has no acoustic output itself. When paired, the wearer gets the Infinio R's Bluetooth streaming and hands-free calls.
- Hearing loss
- Unaidable hearing loss in one ear (CROS and BiCROS)
- Connectivity
- Via the paired Audéo Infinio R: Bluetooth Classic streaming and hands-free calls
- Battery
- Rechargeable
- Style
- CROS transmitter (receiver-in-canal style)
3h
Charge · full charge
IP68
Water · rated
Hands-free
Calls · phone calls
Who it's good for
Is CROS Infinio right for you?
Our audiologists' guide to how this model suits different lifestyles, based on its features. Your hearing test results matter most, so we'll always confirm at your appointment.
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Everyday real world
3/5
Adds awareness of sound on the deaf side for everyday listening.
Best for everyday → -
TV turner-uppers
4/5
TV streaming comes through the paired Infinio R and TV Connector.
Best for TV → -
Golfers and outdoors
4/5
IP68 rechargeable housing handles weather on the course.
Best for golf → -
Socialites
3/5
Helps catch voices on the poor side, but adds no extra speech focus.
Best for social → -
Phone and video calls
5/5
Hands-free calls: the hearing aid microphones pick up your voice, so the phone stays in your pocket.
Best for calls → -
Music lovers
2/5
Routes sound from the deaf side, so stereo music is limited.
Best for music → -
Active and sporty
4/5
IP68 rated against sweat, rain and dust.
Best for active →
The interesting technical bits
What's inside
- Pairs with Audéo I-R for CROS and BiCROS
- IP68, 2.4 g rechargeable housing
- Full charge in 3 hours on Charger RIC Infinio or ChargerGo
- CROS balance adjustment
About Phonak CROS Infinio
CROS Infinio (CROS I-R) is worn on an ear that cannot be aided and streams sound to an Audéo Infinio R on the better ear. It has no acoustic output itself. When paired, the wearer gets the Infinio R's Bluetooth streaming and hands-free calls.
Specifications
From manufacturer information, checked October 2026. Battery figures vary with streaming and settings. Your audiologist will confirm the right receiver, dome and settings at your fitting.
| Brand | Phonak |
|---|---|
| Family | Audéo Infinio |
| Style | CROS transmitter (receiver-in-canal style) |
| Launched | 2024 |
| Chip / platform | Infinio / ERA chip |
| Hearing loss range | Unaidable hearing loss in one ear (CROS and BiCROS) |
| Power | Lithium-ion rechargeable (built-in) |
| Full charge | 3 hours |
| Quick charge | 1 hour charge gives 40%, 2 hours gives 70% |
| Streaming | Via the paired Audéo Infinio R: Bluetooth Classic streaming and hands-free calls |
| Hands-free calls | Yes |
| Auracast broadcast audio | No |
| Water and dust rating | IP68 |
| App | myPhonak |
| Available colours | Sand Beige, Sandalwood, Chestnut, Champagne, Silver Grey, Graphite Grey, Velvet Black, Copper, Sienna Red, Atlantic Green |
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Book a free demo of Phonak CROS Infinio
Programmed to your hearing test results, with free aftercare for life at 11 clinics across Kent & London, or at home.