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Resound Vivia CROS Hearing Aids / Pro Upgrade Version

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ReSound Vivia CROS Hearing Aids Overview

March 2026 Update:The Vivia CROS has now been automatically upgraded to the Vivia Pro version. If you purchased your Vivia hearing aids before this update, you can visit your audiologist to have the latest software installed.

The ReSound Vivia CROSis designed for people with single-sided deafness, acting as a discreet wireless transmitter that picks up sound from your non-hearing side and delivers it to your better-hearing ear.

How it works

A small microphone sits on the ear with little or no hearing and captures sounds from that side. These sounds are then sent wirelessly to a compatible hearing aid worn on your stronger ear.

This means you’re no longer missing conversations or important sounds coming from one side, helping you feel more aware and involved in everyday situations.

Key benefits

For anyone with unaidable hearing loss in one ear, the Vivia CROS can make a noticeable difference. Speech becomes easier to follow, particularly in busy or noisy places, and your overall sense of direction and awareness improves.

Instead of everything feeling one-sided, the sound experience becomes more balanced and natural, making conversations feel less effortful.

Designed for everyday reliability

The system works seamlessly with ReSound’s Smart Fit software, allowing your audiologist to fine-tune everything to suit your hearing needs.

It’s also built with convenience in mind. The rechargeable lithium-ion battery provides a full day of use on a single charge, while the IP68 rating means it’s protected against dust and moisture—ideal for day-to-day life.

The charger doubles as a portable case, making it easy to keep everything powered and protected when you’re on the go.

Compatibility

The Vivia CROS is designed specifically to work with ReSound Vivia hearing aids, creating a complete and reliable solution for single-sided hearing loss.

Key features at a glance

  • Wireless sound transmission from one ear to the other
  • Improved speech clarity, even in background noise
  • Discreet design to match ReSound Vivia hearing aids
  • A range of colour options is available
  • Built-in noise reduction for a more comfortable listening experience
  • Adjustable CROS balance for personalised sound
  • Consistent sound pickup with fixed directionality
  • Compatible with wireless accessories and streaming
  • Rechargeable battery for all-day use

Other ReSound Vivia hearing aid technology levels:

►Click here to view Resound Vivia 9 hearing aids 

►Click here to view Resound Vivia 7 hearing aids 

►Click here to view Resound Vivia 5 hearing aids 

Need more support with the Vivia CROS hearing aids?

Not sure if this is the right hearing aid for you?  We’re here to help – with honest advice, personalised recommendations, and no pressure.  Plus, we offer free home visits with no extra cost, so you can get expert support in the comfort of your own home.

For friendly, knowledgeable advice, just call us free on 0800 567 7721.  Alternatively, you can fill in the form at the bottom of the page to request a callback with one of our audiology experts.  Let’s find the right hearing solution – together.

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Author: Naomi Livermore


FAQs

  • What is the ReSound Vivia CROS used for?

    The ReSound Vivia CROS is designed for people with single-sided deafness, transmitting sound from the non-hearing ear to a hearing aid on the better ear.
  • How does the Vivia CROS improve hearing?

    It picks up sound from your weaker side and sends it wirelessly to your stronger ear, helping you hear conversations and environmental sounds you would otherwise miss.
  • Can I stream audio with the Vivia CROS system?

    Yes, when paired with compatible ReSound Vivia hearing aids, you can stream calls, music, and other audio directly from your smartphone.
  • Watch the Vivia hearing aids video below


For more information on our hearing aids and services or to book an appointment then please call us now on 0800 567 7721.

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