Is it your time to upgrade?

You are unique - so your hearing solution should be too. The latest Cochlear™ Nucleus® Sound Processors offer a range of wearing options to fit your personality and lifestyle.

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Whether you prefer a behind-the-ear or an off-the-ear sound processor, Cochlear offers the smallest and lightest sound processors in the world1 and proven hearing performance from our most advanced sound management system - SmartSound® iQ with SCAN technology2, 3.

Plus, with Made for iPhone compatibility4, Aqua+ and True Wireless™ devices, you can now hear like never before - wherever you are.

Choosing your sound processor

The Nucleus 7 Sound Processor is Cochlear's newest behind-the-ear hearing solution and the first cochlear implant sound processor that is Made for iPhone5. Being 25% smaller and 24% lighter1 than its predecessor, the Nucleus 7 Sound Processor provides a more comfortable experience for even the smallest ears. And thanks to new chip technology, you can benefit from up to 50% more6 battery life than the previous generation behind-the-ear sound processor and enjoy a longer active day*.

The Nucleus 7 Sound Processor offers a flexible hearing solution that includes Made for iPhone compatibility, the ability to adjust your hearing using the Nucleus Smart App7, a range of wearing and retention options, and a choice of disposable or rechargeable batteries.

The Nucleus Kanso® Sound Processor is an off-the-ear sound processor that's so discreet it's barely noticeable, and so small and comfortable you can forget you're wearing it. It's designed to fit snugly against your head for comfort and security, giving you the confidence to connect to your world. It is also easy to use - you can simply 'set and forget'.

Features comparison table

Nucleus® 7 Sound Processor - White
Nucleus 7 (CP1000)
SmartSound iQ Icon
Kanso™ Sound Processor
Nucleus Kanso (CP950)
The first Made for iPhone cochlear implant sound processor5 Dual Microphones - Icon
The first dual microphone off-the-ear-sound processor
Lightest and smallest behind-the-ear sound processor1 Dust and Splashproof Icon
Lightest and smallest off-the-ear sound processor1
Six colours Waterproof with Aqua+ Icon
Eight colours
Nucleus Smart App Compatible with True Wireless Devices Icon
CR230 Remote Assistant
Disposable and rechargeable batteries Remote Control Icon
Disposable batteries
Offers Hybrid Hearing with acoustic component Retention Accessories Icon
Hybrid Hearing not available

If you would like talk to our Customer Service team about your upgrade options, alternatively please contact your local clinic.


Please note that due to its size and coil type, the Nucleus Kanso Sound Processor is not compatible with Nucleus 22 implants. The Nucleus 7 Sound Processor is not currently compatible with Nucleus 22 or Nucleus 24 implants.

The Nucleus 7 Sound Processor with Aqua+ is water resistant to level IP68 of the International Standard IEC60529.  This water protection rating means that the sound processor with the Aqua+ can be continuously submerged under water to a depth of three metres (9 feet and 9 inches) for up to two hours. This water protection only applies when you use a Cochlear Standard Rechargeable Battery Module or Cochlear Compact Rechargeable Battery Module.

The Kanso Sound Processor is water resistant to level IP54 of the International Standard IEC60529. The Kanso Sound Processor with the Aqua+ is water resistant to level IP68 of the International Standard when used with LR44 alkaline or nickel metal hydride disposable batteries.

Please seek advice from your medical practitioner or health professional about treatments for hearing loss. They will be able to advise on a suitable solution for the hearing loss condition. All products should be used only as directed by your medical practitioner or health professional. 

Not all products are available in all countries. Please contact your local Cochlear representative.


* Individual results may vary depending on battery choice.

  1. Cochlear Limited. D1190805. CP1000 Processor Size Comparison. 2017, Mar; Data on file.
  2. 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].
  3. Cochlear Limited. D1182081. CLTD 5620 Clinical Evaluation of Nucleus 7 Cochlear Implant System. 2017, Mar; Data on file.
  4. The Nucleus 7 Sound Processor is compatible with iPhone X, iPhone 8 Plus, iPhone 8, iPhone 7 Plus, iPhone 7, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus, iPhone 6, iPhone SE, iPhone 5s, iPhone 5c, iPhone 5, iPad Pro (12.9-inch), iPad Pro (9.7-inch), iPad Air 2, iPad Air, iPad mini 4, iPad mini 3, iPad mini 2, iPad mini, iPad (4th generation) and iPod touch (6th generation) using iOS 10.0 or later. Apple, the Apple logo, 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. Information accurate as of February 2018.
  5. Apple Inc. 'Compatible hearing devices' [Internet]. Apple support. 2017 [cited 24 February 2017]. Available from:
  6. Cochlear Limited. D1140877. Battery Life and Power Consumption Comparison between CP1000, CP900 Series and CP810 Sound Processors. 2017, Mar; Data on file.
  7. The Nucleus Smart App is compatible with iPhone 5 (or later) and iPod 6th generation devices (or later) running iOS 10.0 or later.