Introducing the Nucleus® Kanso® 2 Sound Processor

An off-the-ear sound processor with direct connectivity from your smartphone

Smart has never been so simple

The Nucleus® Kanso® 2 Sound Processor is the smallest and lightest off-the-ear cochlear implant sound processor1 offering direct streaming from a compatible smartphone.* With an innovative built-in rechargeable battery, the Kanso 2 Sound Processor provides the convenience to help you hear at home or on the go, while delivering proven hearing performance.2-5

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Connect without compromise

Connect to the experiences and people you love with the Kanso 2 Sound Processor. You can stream music, calls and entertainment directly from a compatible Apple® or Android device.*

You can also control your Kanso 2 Sound Processor or manage your hearing experience by using the Nucleus® Smart App.** With the Smart App, you can personalize your hearing settings, check your progress with the Hearing Tracker or find a lost sound processor.

Experience proven hearing performance

The Kanso 2 Sound Processor features our latest and most advanced technology to help you experience clearer sound, even in challenging environments. Our dual-microphone and Smartsound® iQ^ with SCAN technologies automatically adjust to your environment and works hard to help you focus on the sounds you want to hear, like conversations, music and more.

In addition to the automatic SCAN features, you can also activate ForwardFocus^^ in the Nucleus Smart App. Designed to enhance face-to-face conversations in particularly challenging environments, it reduces distracting noise from behind you, so you can better hear the person in front of you.6

Choose smart simplicity

The Kanso 2 Sound Processor is designed to be user-friendly. With unique button-free control, you can turn the sound processor on and off just by tapping it with your finger.

Caring for your Kanso 2 Sound Processor is also designed to be easy and convenient with an all-in-one Home Charger. This handy device will wirelessly charge and dry your sound processor at the same time, so there’s no need for a separate accessory to dry or store your device.

Enjoy your favorite adventures

The Kanso 2 Sound Processor is designed to go wherever you want to go. You can participate in your favorite adventures, including physical activities, swimming+ and more.

With a dust and water-resistant construction, you don’t need to worry about being caught in the rain. Add the security of Aqua+ accessory+ and your Kanso 2 Sound Processor becomes waterproof so you can surf, snorkel or swim in salt, fresh or chlorinated water.

You can also be assured that the Kanso 2 Sound Processor will stay in place during activities with a selection of retention options for you to choose from.

Take the hard work out of hearing

Enrich every moment with the new Kanso 2 Sound Processor.

Interested in the new Kanso 2 Sound Processor?

Cochlear is always thinking of the needs of our recipients first. We also understand that when we introduce new sound processor technology, there are some Cochlear recipients that recently received their sound processors and were unable to select the latest technology.

As a part of the Technology Exchange Program for new systems, you are eligible to exchange your Nucleus 7 or Kanso Sound Processor for a Kanso 2 Sound Processor, if your activation date is on or after the date Kanso 2 became FDA approved. The full eligibility period extends from FDA approval through the official commercial launch date of the Kanso 2 Sound Processor, which is anticipated later this year. You may begin requesting an exchange for one of your Nucleus 7 or Kanso Sound Processors up to 60 days after the official launch date.

If you are a current Nucleus recipient and qualify for an upgrade, Cochlear offers a 90-day return and exchange period on all upgrade orders. Within this period, upgrades can be returned for full credit, or exchanged for another compatible sound processor.


*Direct streaming available with the Nucleus Kanso 2 Sound Processor from a compatible Apple® or Android™ device. For compatibility information, visit **The Cochlear Nucleus Smart App is available on App Store and Google Play. For compatibility information visit ^SNR-NR, WNR and SCAN are approved for use with any recipient ages 6 years and older, who is able to 1) complete objective speech perception testing in quiet and in noise in order to determine and document performance 2) report a preference for different program settings. ^^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. +The Kanso 2 Sound Processor is dust and water resistant to level of IP68 of the International Standard IEC60529. The Kanso 2 Sound Processor with Aqua+ is dust and water resistant to level of 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 up to 3 meters (9 feet and 9 inches) for up to 2 hours. The Aqua+ accessory should be used when participating in prolonged water activities. #Battery life may vary by individual.


1. Cochlear Ltd. D1190805 Sound Processor Size Comparison. 2020; March. Data on file. 2. Mauger SJ, et al. Clinical evaluation of the Nucleus 6 cochlear implant system: performance improvements with SmartSound iQ. International Journey of Audiology. 2014. Aug; 53(8): 564-576. {Sponsored by Cochlear}. Mauger SJ, et al. 3. Clinical outcomes with the Kanso off-the-ear cochlear implant sound processor. Int J Audiol. Published online 09 Jan 2017 (DOI: 10. 1080/14992027 2016. 1265156) 4. Wolfe J, et al. Benefits of Adaptive Signal Processing in a Commercially Available Cochlear Implant Sound Processor. Otol Neurotol. 2015 Aug; 36(7): 1181-90. 5. Cochlear Ltd. D1660797. CP1150 Sound Processor Interim Clinical Investigation Report. 2020; Jan. Data on file. 6. Cochlear Ltd. D1660797 CP1150 Sound Processor Interim Clinical Investigation Report. 2020; Jan. Data on file.

© Cochlear Limited 2020. All rights reserved. Hear now. And always and other trademarks and registered trademarks are the property of Cochlear Limited or Cochlear Bone Anchored Solutions AB. The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

The Cochlear Nucleus Kanso 2 Sound Processor is compatible with iPhone, iPad and iPod touch. 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.

Android and Google Play are registered trademarks of Google Inc.