Recipient Mathias walks with his wife and dog

Nucleus® 7 Sound Processor

The world's first cochlear implant sound processor that can be controlled and streamed directly from a compatible smartphone.

Small and mighty

The Nucleus® 7 Sound Processor is the smallest and lightest1 behind-the-ear cochlear implant sound processor. It has built-in, advanced technology that provides direct audio streaming from a compatible Apple or Android™ device.

Colour options to match personal style

The Nucleus® 7 Sound Processor comes in six colours, so adults and children can choose the shade they prefer.


Nucleus 7 BlackNucleus 7 Black and GoldNucleus 7 BrownNucleus 7 CreamNucleus 7 GreyNucleus 7 White

Take control with the Nucleus® Smart App

Adults and children can always hear their best by adjusting their settings across different environments. Monitor the status of the battery. Locate a missing sound processor.

Adults and children can do all this with the Nucleus Smart App, designed for the Nucleus 7 Sound Processor and compatible Apple or Android devices.

Directly stream calls and entertainment

Adults and children can connect to what they enjoy as they stream phone calls, music, audio books, videos and more, directly to their Nucleus 7 Sound Processor from compatible Apple and Android devices.

If they don't have a compatible smartphone or tablet, they can enjoy streaming calls and music wirelessly with the Cochlear™ Wireless Phone Clip.

Peace of mind for parents

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"One of our favourite features of the Nucleus 7 Sound Processor is the Smart App. It's come in handy for volume control and it's great to check battery life."

- Katy, mother of a Cochlear™ implant recipient

Hear more of life's beautiful sounds

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"From the technology, it's amazing what kind of quality of life I've received back. It's incredible."

- Mathias, Cochlear™  implant recipient 

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Exciting news for our Cochlear™ Nucleus® 22 Implant recipients!

The Cochlear Nucleus 7 Sound Processor is now available. It’s part of our ongoing commitment to quality and innovation for all our recipients.


This material is intended for health professionals. If you are a consumer, 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 read 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.

Views expressed are those of the individual. Consult your health professional to determine if you are a candidate for Cochlear technology.

* The Nucleus 7 Sound Processor with Aqua+ and Aqua+ Coil is water resistant to level IP68 of the International Standard IEC60529 when you use a Cochlear Standard Rechargeable Battery Module or Cochlear Compact Rechargeable Battery Module. Refer to the relevant User Guide for more information.

** For compatibility information and devices visit and

^ The 'Coil off' data in the Hearing Tracker within the Nucleus Smart App is not available for Nucleus 22 implant recipients.

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Cochlear Limited is under license.

Apple, the Apple logo, FaceTime, Made for iPad logo, Made for iPhone logo, Made for iPod logo, iPhone, iPad Pro, iPad Air, iPad mini, iPad and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc., registered in the U.S. and other countries.

Android is a trademark of Google LLC. The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License. Google Play and the Google Play logo are trademarks of Google LLC.

The Cochlear Nucleus 7 Sound Processor is compatible with Apple and Android devices. For compatibility information visit

The Nucleus Smart App is compatible with iPhone 5 (or later) and iPod 6th generation devices (or later) running iOS 10.0 or later. To use the Nucleus Smart App for Android, your device will need to run Android 5.0 (Lollipop) or later and support Bluetooth 4.0 or later. For a list of verified devices visit

The Cochlear Nucleus Smart App is available on App Store and Google Play. For compatibility information visit

  1. Cochlear Limited D1190805. CP1000 Processor Size Comparison. 2019, Apr; Data on file.
  2. Mauger SJ, Jones M, Nel E, Del Dot J. Clinical outcomes with the Nucleus Kanso off-the-ear cochlear implant sound processor. Int J Audiol. Published online 09 Jan 2017 (DOI:10.1080/14992027.2016.1265156) [Sponsored by Cochlear].
  3. 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].
  4. Skarzynski H, Lorens A, Matusiak M, Porowski M, Skarzynski PH, James CJ. Cochlear implantation with the Nucleus slim straight electrode in subjects with residual low-frequency hearing. Ear and Hearing. 2014, Mar-Apr; 32(2): e33–e43.