The Nucleus® Nexa® System
Experience the world’s first and only smart cochlear implant system.1,~
The future of hearing.
Delivered today
Introducing the world's first and only smart cochlear implant system.
What makes it smart?
Responsive
To make hearing easier, the Nucleus® Nexa™ System intuitively responds to your changing needs throughout each day.2-6 Only with this advanced technology is your unique hearing information securely stored on the smart implant, so it’s always with you.
Connected
From the start, the Nucleus Nexa System brings you into a connected ecosystem of care and support, designed to deliver the best hearing outcomes and put a world of streaming options at your fingertips.
Future-ready
The Nucleus Nexa System is ready to access new or improved features and future innovations, as they become available, via a simple implant firmware update.
EXPLORE
Explore the world’s first smart cochlear implant system
Nucleus Nexa Implant
The world's first and only smart implant, offering both upgradeable firmware and internal memory. With a smart implant you or your child will be ready to access future innovations as they become available with a simple firmware update.
Rediscover the sounds you've been missing
Take the first steps toward learning about our Nexa System.
FEATURES
This is what smart sounds like
The Nucleus Nexa System intuitively adapts and responds to perform at its best, so your hearing can too.1-5 Learn about the benefits of having a responsive cochlear implant system by choosing the Adult or Child button below.
Smart, secure and uniquely yours
The Nucleus Nexa System comes with a distinct advantage: the world’s first cochlear implant with internal memory. So, your unique hearing information is always with you and easily transferred to a new Nucleus Nexa sound processor in the future.
The power to hear in comfort
Enjoy the comfort of the world’s smallest sound processors and power through your day without recharging the battery.7,#,^^ Responding to your changing listening needs across the day, your Nucleus Nexa System adapts its power usage to maximize battery life so you can get on with your life.
Hear with confidence
Hear with confidence when ordering a coffee, at a party or walking on a windy day. Wherever you go, Nucleus Nexa sound processors can sense and respond to changes in your environment, automatically adjusting your listening settings so you can hear more clearly.2-5
Focus on what’s important
When you want to focus on a face-to-face conversation, ForwardFocus6,† can reduce distracting background noise automatically, or at the touch of a button in the Nucleus Smart App.*
Benefits
Your connected ecosystem
The Nucleus Nexa System brings you or your child into a connected ecosystem of care and support, from surgery to the clinic and into your everyday life.
Supporting a lifetime of hearing performance^
To streamline your care from the operating room to the clinic, Cochlear connects your hearing health team with innovative surgical systems and the latest clinical tools and insights to help deliver the best possible hearing outcomes.
Personalized care, anywhere
Whether it’s a hearing test from home or a video call appointment, connect with your clinician using Remote Care in the Nucleus Smart App without visiting the clinic.± Plus, in the app you can check the status of your battery and microphones, adjust your hearing settings, find a misplaced sound processor and more.*
Step into a more connected world
There’s an ever-expanding world of streaming options at your fingertips. Enjoy high-quality audio streamed to your Nucleus Nexa sound processor from compatible** mobile devices and, in the future, smart TVs, laptops and a growing list of personal devices using Bluetooth® LE Audio.+
Bring sounds closer
Have the opportunity to tap into what's being broadcast at airport gates, conference centers, theaters and other public venues as Auracast™ broadcast audio becomes available in the future.¥
Ready for what’s next
At every stage of life, you or your child will be ready for what’s next because the Nucleus Nexa System offers the world’s first smart cochlear implant with upgradeable firmware. For the first time, access to future innovations will be possible through your smart implant as well as sound processor upgrades, via a simple firmware update. And it's all backed by Cochlear’s 40+ years of proven reliability and technology leadership.
Already have a cochlear implant?
If you already have a Cochlear Nucleus System with a Nucleus Sound Processor, explore your upgrade options.
Next steps
This comprehensive brochure brings together all the features and benefits of the Nucleus Nexa System into one convenient guide.
Learn more about the sound processors available with your Nucleus Nexa System and choose with confidence.
Learn more about the brains behind the world’s first smart cochlear implant system.
The Cochlear Concierges are a team of experts that are ready to answer your questions and assist you in learning about the Nexa System. Call us at 877-897-4474 or connect with us online.
Disclaimer
Please seek advice from your health professional about treatments for hearing loss. Outcomes may vary, and your health professional will advise you about the factors which could affect your outcome. Always follow the instructions for use. Not all products are available in all countries. Please contact your local Cochlear representative for product information.
For a full list of Cochlear’s trademarks, please visit our Terms of Use page.
~The only cochlear implant having onboard memory with upgradeable firmware. As future advancements or technology become available for the CI1000 series implant, a firmware update may be required in order to take advantage of newer features.
+ As Bluetooth LE Audio compatible devices become available, a firmware update will be required for you to use certain features.
¥ Auracast™ broadcast audio capability is subject to third party adoption of the Auracast protocol.
† ForwardFocus can only be enabled by a hearing implant specialist. It should only be activated for users 12 years and older who are able to reliably provide feedback on sound quality and understand how to use the feature when moving to different or changing environments. It may be possible to have decreased speech understanding when using ForwardFocus in a quiet environment.
^ “A lifetime of hearing performance” and similar phrases should not be understood as claims relating to the expected life, reliability, quality or performance of Cochlear’s products.
± Remote Check for Nucleus sound processors is approved for all ages, however certain tests are not suitable for ages below 6. Remote Check does not replace clinical care and does not involve remote programming of the sound processor. Remote Assist for Nucleus sound processors is approved for ages 6 and older. Remote Check and Remote Assist features are only visible and accessible if they are enabled by a clinician. Clinicians should consider the suitability of the feature before enabling Remote Check and Remote Assist. Only available at clinics that have enrolled in Remote Care.
* The Cochlear Nucleus Smart App is available on App Store and Google Play. For compatibility information visit www.cochlear.com/compatibility
** For compatibility information and devices visit www.cochlear.com/compatibility.
# The described feature and benefit are available for recipients with a Nucleus Nexa Implant only. Battery life varies for every user, according to the age of the battery, the programs used each day, your implant type, the thickness of skin covering your implant, and the size and type of battery used. Streaming from compatible devices, True Wireless devices or FM may decrease sound processor battery life depending on how often and for how long streaming is engaged.
^^ The Nucleus Kanso 3 Nexa Sound Processor is the world’s smallest and lightest rechargeable off-the-ear sound processor.
## In the United States, the Cochlear Nucleus Implant System is approved for use in children 9 to 24 months of age who have profound sensorineural hearing loss in both ears and demonstrate limited benefit from appropriate hearing aids. Children 2 years of age or older may demonstrate severe to profound hearing loss in both ears.
References
- Cochlear Limited. FUN5261. FDA Approval Letter for CI1000 Series Implant System. 2025.
- Cochlear Limited. D1864200 SCAN 2 Design Description.
- Mauger SJ, Warren C, Knight M, Goorevich M, Nel E. Clinical evaluation of the Nucleus 6 cochlear implant system: performance improvements with SmartSound iQ. International Journal Of Audiology. 2014, Aug; 53(8): 564-576. [Sponsored by Cochlear]
- Mauger S, Jones M, Nel E, Del Dot J. Clinical outcomes with the Kanso™ off-the-ear cochlear implant sound processor. International Journal Of Audiology. 2017, Jan 9; 1-10. [Sponsored by Cochlear]
- Wolfe J, Neumann S, Marsh M, Schafer E, Lianos L, Gilden J, O'Neill L, Arkis P, Menapace C, Nel E, Jones M. Benefits of Adaptive Signal Processing in a Commercially Available Cochlear Implant Sound Processor. Otol Neurotol. 2015 Aug; 36(7):1181-90. [Sponsored by Cochlear]
- Cochlear Limited. D2115293. CLTD5836 Interim Report. 2023.
- Cochlear Limited. D1190805 Processor Size Comparison.