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Phonak EON CROS hearing aid
Designed for single-sided hearing loss

Phonak CROS EON R Hearing Aids

  • UNAIDABLE HEARING LOSS IN ONE EAR
  • FULLY RECHARGEABLE
  • UNIVERSAL CONNECTIVITY
  • CROS BALANCE

Phonak EON CROS helps people with unaidable hearing loss in one ear, such as single-sided deafness, by sending sound from your unaidable ear to your better-hearing ear, so you can stay engaged in conversations and feel connected wherever you go. Pair CROS EON R with Audéo EON R for a compact, rechargeable solution made for all‑day wear.

  • Includes CROS Balance to adjust the loudness between sides

  • Recharge and go with up to 20 hours of battery life*

  • Easier care with Phonak EasyGuard™ domes, so you spend less time cleaning and more time living

CROS EON

Adaptive clarity for more natural listening throughout your day¹

Clarity that moves with you, automatically.² Phonak AI adapts as your environment changes, helping voices stand out so you can stay present in conversations at home, at work and on the go.  
 
When paired with your Phonak Audéo EON R, you get more focus on the voice in front in noisy settings thanks to StereoZoom 2.0.

Person using a smartphone with a laptop and gaming controller nearby, illustrating hearing aid connectivity across everyday devices

Made For All: If you can stream it, you can connect to it.

When used with a compatible Phonak EON hearing aid, you get Made For All connectivity to stream calls, music and TV from virtually any Bluetooth® device.  You can also connect to Auracast™ broadcasts in public spaces like theaters, gyms, museums, and more for clear audio streamed directly to your hearing aids.

 

Explore all the products in the Phonak EON portfolio

New
Audéo EON Sphere
  • For mild to profound hearing loss
  • Spheric Speech Clarity™ 3.0
  • AutoSenseOS™ AI 8.0
  • Universal connectivity including Auracast™ Broadcast audio
New
Audéo EON R
  • For mild to profound hearing loss
  • AutoSenseOS™ AI 8.0
  • Universal connectivity including Auracast™ Broadcast audio
  • Compatible with CROS
Phonak CROS EON sandbeige hearing aid Phonak CROS EON sandalwood hearing aid Phonak CROS EON Sphere chestnut hearing aid Phonak CROS EON Sphere champagne hearing aid Phonak CROS EON Sphere silver grey hearing aid Phonak CROS EON Sphere graphite grey hearing aid Phonak Audéo EON Sphere velvet black hearing aid CROS EON Sphere sienna red hearing aid
New
CROS EON
  • Unaidable hearing loss in one ear
  • AutoSenseOS™ AI 8.0
  • Universal connectivity including Auracast™ Broadcast audio
  • Compatible with Audéo EON R
Phonak hearing aid charger case Charger Go with Audéo™ EON hearing aids

Charge your way

Charging options made for wherever life takes you. Choose the charger that fits your lifestyle, from convenient at-home charging to portable power on the go.

Fully charged, EON CROS provides up to 20 hours of battery life.*

 

Maximize hearing potential with Roger Wireless Microphones

Roger is an intelligent wireless technology that transmits speech directly to EON hearing aids via RogerDirect™, giving an extra boost in noisy environments and over distances.

Roger On™

This versatile wireless microphone is designed to make conversations clearer in difficult listening situations. It recognizes if speech is coming from the left or the right side and switches automatically between different microphone modes depending on if used on a table, clipped on clothing or held in your hand.

Roger On
Roger Select™

When placed on a table, this device automatically selects the person who’s talking. When multiple conversations are going on at once, the user can manually select whom to listen to.

Roger Select
Roger Table Mic II

Designed for working adults who participate in meetings. Several microphones can be connected into a MultiTalker Network to cover large groups and access multiple talkers, ensuring active participation during work.

Roger Table Mic
Roger Clip-On Mic

This microphone is designed for one-on-one conversations. It can easily be clipped on to clothes or worn around the neck of a conversation partner.

Roger Clip-On Mic

Want to see if CROS EON hearing aid is right for you?

Find a trusted hearing care provider near you. Ask your provider which Phonak EON hearing aid solution is right for your unique hearing needs.

Find a Provider
A healthcare professional sitting at a desk, facing a patient who is wearing hearing aid. The specialist is adjusting the patient's hearing aid using app. In the background one can see a computer screen with fitting software charts displayed

Footnotes
*The maximum battery runtime is determined by battery condition, hearing loss, environmental sound classification, streaming usage and activated feature set.  

1 Vaisberg, J., Brunner, J., & Ulloa-Sanchez, D. (2026). Hearing confidently in wind: WindBlock 2.0 delivers comfort, natural sound quality and clearer speech. Phonak Field Study News retrieved from www.phonak.com/evidence

2 Preuss, M., Ulloa Sanchez, D. (2025). Phonak Audéo R Infinio outperforms competitors for speech in loud noise performance. Phonak Insight retrieved from https://www.Phonak.com/evidence 

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sonova AG is under license. 
The Auracast™ word mark and logos are trademarks owned by Bluetooth SIG, Inc. Any use of such marks by Sonova AG is under license.