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Upgrade to the Nucleus® 8 Sound Processor

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

The world’s smallest got even smaller

Experience next-level comfort with the Nucleus® 8 Sound Processor, the world’s smallest and lightest behind-the-ear sound processor.[1]

With a new device that's 15% smaller than its predecessor± and 32% smaller than the Nucleus 6 Sound Processor*, you're free to work, play and relax throughout the day.

TV Streamer

Your best hearing experience yet

Enhanced SmartSound® iQ 2 with SCAN 2 hearing technology senses changes in your listening environment and automatically adjusts to provide clearer sound. [2,5-7] 


When you want to focus on the face-to-face conversation, an improved ForwardFocus more powerfully reduces distracting background noise. [3,^^] 

Step into a more connected world

Experience the proven benefits of streaming sound directly to your sound processor, including compatible** Apple and Android™ devices. [8,10-12]


Ready for next-generation Bluetooth® LE Audio connectivity¥, your new sound processor will be able to bring sound to you – in more places and from more devices than ever before. [4,8,9] 


You'll be able to connect to what's being broadcast at airports, conference centres, theatres and more public venues supporting Bluetooth® Auracast™ broadcast audio.

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Your Nucleus 8 upgrade kit

Kit includes:

  • 1 Sound Processor
  • 2 Slimline coil and cable
  • 2 Rechargeable battery
  • 1 Magnet
  • 1 Earhook
  • 1 Microphone cover
  • 1 Battery holder
  • 1 Battery cover
  • 1 Power One Implant Plus p675 Mercury Free Battery (pack of 6)
  • 1 Y Battery charger

  • 1 Charger plug kit
  • 1 Cochlear remote control (CR310)
  • 1 Storage Case
  • 1 Drying Capsule
  • 1 Dry Brik by Dry & Store

Optional items:

  • 1 Breeze by Dry & Store
  • 1 Retention accessory

How to upgrade


Log in to your Cochlear account

Log in and review your sound processor options.


Select your sound processor

Nucleus® customers can choose between the Nucleus 8 and Kanso 2 Sound Processors. 

Baha® customers can upgrade to the latest Baha 6 Max Sound Processor.


Select your options

Answer a few questions and select your preferred funding option.


Finalise your request

A customer service representative will call you to process your request and answer any questions.


^ Compared to previous sound processors Nucleus 6 and Nucleus 7.

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

* Comparison made using the Compact Battery Module with Nucleus 8 Sound Processor and with the Nucleus 6 (CP910) Sound Processor.

^^ ForwardFocus is a clinician-enabled feature that can be user-controlled or automated. 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. 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 determine and document performance and 2) report a preference for different program settings.

** The Cochlear Nucleus 8 Sound Processor is compatible with Apple and Android devices. The Cochlear Nucleus Smart App is available on App Store and Google Play. For compatibility information visit 

¥ 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.

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.

Prior to placing an order for a sound processor, ensure you have consulted a health professional to confirm that the sound processor is right for you and ensure you seek assistance from a health professional if you sound processor needs to be adjusted.

The Nucleus 8 Sound Processor is compatible with Nucleus Profile Series, CI500 Series CI24RE (Freedom) Series, CI24R Implants. The Nucleus 8 Sound Processor is not compatible with the Nucleus® 22 (N22) Implant.

Android and Google Play are trademarks of Google LL.

Apple is a trademark 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. 

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

In Australia, Cochlear Nucleus implant systems are intended for the treatment of moderately severe to profound hearing loss. This product is not available for purchase by the general public. For information on funding and reimbursement please contact your healthcare professional. 

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


  1. Cochlear Limited. D1190805 Processor Size Comparison. 2022, May.
  2. Cochlear Limited D1864200 SCAN-2 Design Description. 2022, Apr.
  3. Cochlear Limited. D1964109 CLTD5804 Clinical Investigation Report – Feb 2022.
  4. Hunn N. Introducing Bluetooth® LE Audio [Internet]. [Cited 2022 Jan]. Available from:
  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:
  10. Wolfe J, et al. Evaluation of a wireless audio streaming accessory to improve mobile telephone performance of cochlear implant users. International Journal of Audiology. 2016;55(2):75-82.
  11. Wolfe J, et al. Improving hearing performance for cochlear implant recipients with use of a digital, wireless, remote-microphone, audio-streaming accessory. J Am Acad Audiol. 2015 Jun;26(6):532-9.
  12. Warren C, Nel E, and Boyd P. Controlled comparative clinical trial of hearing benefit outcomes for users of the Cochlear™ Nucleus® 7 Sound Processor with mobile connectivity. Cochlear Implants International (2019 Feb); 20(3).