Nucleus® 8 Sound Processor

Smaller, smarter and better connected, the Nucleus® 8 Sound Processor opens up a world of possibilities.1-4,*

Smaller. Smarter. Better connected.

Engage with the moments that matter and enjoy the comfort of the world’s smallest and lightest behind-the-ear cochlear implant sound processor.1,* Designed to make communicating with people easier, the Nucleus® 8 Sound Processor delivers our latest hearing technology. It senses changes in your environment and automatically adjusts your listening settings to help you hear clearly wherever you go.2,3,5-7

Building on the direct streaming capabilities and connectivity features available in our latest sound processors, the Nucleus 8 Sound Processor offers you even more ways to connect. Ready for next generation Bluetooth® LE Audio technology, it will make it easy to bring sound to you - in more places and from more devices than ever before.4,8,9,^ You’ll be able to connect directly to what’s being broadcast at public venues such as airports, conference centers and theaters supporting Bluetooth Auracast™.

N8_Phone_and_Clothes Main 6720x4480 Main.psd


Designed to take comfort to the next level, the Nucleus 8 Sound Processor is 15% smaller and 13% lighter than the Nucleus 7 Sound Processor.1,^^



Hear your best no matter where you are, or where the day takes you. Featuring our smartest hearing technology yet, SmartSound® iQ 2 with SCAN 2***, the Nucleus 8 Sound Processor automatically adjusts to your environment. It's designed to help you hear conversations more clearly and easily, particularly in noisy situations so you can experience your best hearing.2,3,5-7


Better connected

Discover exciting new ways to stream audio directly to your sound processor. Ready for next-generation Bluetooth technology,^ you will be able to connect to what's being broadcast in public venues such as airports, schools, sports clubs and gyms which support Bluetooth Auracast™.

Color options to match your personal style

The Nucleus 8 Sound Processor is available in six different colors, so you can choose the one that best suits you.


Nucleus8_-_side_shots_v2 Black SideView HQ_denoise1 6000x6000.psdNucleus8_-_side_shots_v2 Silver SideView HQ_denoise1 6000x6000.psdNucleus8_-_side_shots_v2 Brown SideView HQ_denoise1 6000x6000.psdNucleus8_-_side_shots_v2 Sand SideView HQ_denoise1 6000x6000.psdNucleus8_-_side_shots_v2 Grey SideView HQ_denoise1 6000x6000.psdNucleus8_-_side_shots_v2 White SideView HQ_denoise1 6000x6000.psd

Build Your Own Nucleus 8 Sound Processor

You can build your own Nucleus 8 Sound Processor—choose your accessories, pick a color and see what’s included in the standard kit.

Build one now

Connect with the moments that matter


Whether you’re listening to music, taking a phone call, or watching your favorite film, Bluetooth LE Audio will deliver better sound quality to help you get the best available audio experience.4,9,‡


Peace of mind for parents

  • From the playground, to the pool or classroom, your child never stops exploring. The Nucleus 8 Sound Processor comes with a choice of optional retention and water-safe accessories to help them better engage with their world and join life’s adventures.#
  • Check how your child is using their sound processor and set hearing goals with the Nucleus Smart App Hearing Tracker.
  • Ears work as a team, so using both ears can help the brain to process and understand sounds better than using just one ear.11 Cochlear sound processors can be worn with any hearing aid, so no matter what hearing aid your child is using, they’ll get the benefits of hearing with both ears.
  • Using the Find My Processor feature in the Nucleus Smart App, you will be able to locate their missing sound processor.~


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.

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

For a full list of Cochlear’s trademarks, please visit our Terms of Use page.

Apple, the Apple logo, Apple Watch, 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.

Amazon and Amazon Fire are trademarks or registered trademarks of Amazon in the United States and/or other countries.

*Compared to Nucleus 6 and Nucleus 7 sound processors.

^When the technology becomes available for the Cochlear Nucleus 8 Sound Processor, a firmware update to your sound processor will allow you to connect to Bluetooth LE Audio compatible devices.

^^Comparison made using the Compact Battery Module for Nucleus 8 Sound Processor and the Compact Rechargeable Battery for Nucleus 7 Sound Processor

***It is recommended that SNR-NR, WNR and SCAN be made available to any recipient, ages 6 and older, who is able to 1) complete objective speech perception testing in quiet and noise in order to demonstrate and document performance and 2) report a preference for different program settings.

±The Cochlear Nucleus 8 Sound Processor is dust and water resistant to level IP68 of the International Standard IEC60529. The Nucleus 8 Sound Processor with Aqua+ is dust and water resistant to level of IP68 of the International Standard IEC60529 when you use a Cochlear Power Extend Rechargeable Battery Module or Cochlear Compact Rechargeable Battery Module. The Nucleus 8 Sound Processor with Aqua+ can be continuously submerged under water to a depth of up to 3 metres for up to 2 hours. The Aqua+ accessory should be used when participating in prolonged water activities. Refer to the relevant user guide for more information.

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.

¥For compatibility information and devices visit www.cochlear.com/compatibility and www.resound.com/compatibility

When compared to previous generation Bluetooth Classic.

##The Nucleus 8 Sound Processor can be worn with any hearing aid.

#For information regarding the compatibility of Cochlear’s Sound Processors with Apple or Android devices, and True Wireless Devices, visit www.cochlear.com/compatibility

Compared to Nucleus® 7 Sound Processor with ForwardFocus on.

>For more information on Amazon ASHA enabled devices please visit Accessibility Features for Fire TV - Amazon Customer Service

~The Cochlear Nucleus Smart App is available on App Store and Google Play. For compatibility information visit www.cochlear.com/compatibility

**The Nucleus 8 Sound Processor is compatible with all implants except Nucleus 22 Implants.


  1. Cochlear Limited. D1190805, Processor Size Comparison
  2. Cochlear Limited. D1864200 SCAN-X Design Description
  3. Cochlear Limited. D1964109 CLTD5804 Clinical Investigation Report
  4. Hunn N. Introducing Bluetooth® LE Audio [Internet]. [cited 2022 Jan]. Available from: https://www.bluetooth.com/learn-about-bluetooth/recent-enhancements/le-audio/
  5. 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]
  6. 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]
  7. 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]
  8. Cochlear Limited. D1631375 Nucleus 8 Sound Processor Product Definition
  9. A Technical Overview of LC3 [Internet]. Bluetooth® Technology Website. [cited 2022 Feb 28]. Available from: https://www.bluetooth.com/blog/a-technical-overview-of-lc3
  10. Cochlear Limited. D1980144 CP1110 IEC60529 IP68 Certificate & Test Report
  11. Weaver, J. "Single-Sided Deafness: Causes, and Solutions, Take Many Forms." Hearing Journal 68.3 (2015): 20-24. Web. 28 Apr, 2017.