SONATA Cochlear Implant

With exceptional sound quality and outstanding reliability, SONATA uses advanced technology to make the most of your hearing.

SONATA cochlear implant

A Great Partnership

Behind every good audio processor is a great implant. An advanced implant works with your audio processor to give you the best sound quality possible—whether you're talking to friends, enjoying your favourite music or just hearing the little sounds in life.

And it's important to keep the future in mind too. Your audio processor can be upgraded every few years, however your implant will be with you for much longer. That’s why you should think about which implant will give you the best hearing, both now and in the future.


SONATA Cochlear Implant

Why SONATA is the cochlear implant for you:


Advanced Hearing

Using unique Triformance technology, SONATA is designed to give you the most natural sound quality possible.


MRI Safety*

Have peace of mind knowing you can undergo standard MRI scans, without the hassle.


Lifetime Reliability

SONATA is designed with long-term reliability in mind, providing you with years of exceptional hearing.


Always Compatible

SONATA is compatible with all our current audio processors, so you can upgrade to the latest technology at any time.


Advanced Hearing

SONATA is built with Triformance—the most advanced hearing technology available, and unique to MED-EL cochlear implants. Using sophisticated sound coding strategies and longer electrodes, Triformance gives you the most natural sound quality possible.

Triformance is also designed to protect your cochlea, so that your ears are ready for future hearing technology. With Triformance, SONATA lets you enjoy great hearing both now, and in the future.

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MRI Matters

Life has its bumps and scrapes, but SONATA is with you all the way. Its specially-designed magnet means you can undergo standard MRI scans at 1.5 Tesla*, without having extra surgery** to remove the magnet.

And because of our long and positive experience with MRIs, each SONATA cochlear implant even comes with a life-long MRI guarantee.***

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SONATA Reliability

The Reliable Choice

When choosing your cochlear implant, you should think long term. Your implant will be with you for many years to come, so it needs to be built for future reliability and durability.

With MED-EL, you can expect a cochlear implant of the highest standard. Each implant is handmade at our headquarters in Europe, using decades of experience to ensure it is of the quality you deserve. It’s this dedication that makes MED-EL the reliable choice for your cochlear implant.

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SONATA compatibility

Always Upgrade

Just because you are receiving your implant now, that doesn’t mean that you won’t benefit from future hearing technology. SONATA is compatible with all available MED-EL audio processors, making it possible to upgrade at any time.

This allows you to use the latest technology without having extra surgery to get a new implant, so that you can always hear your best.


Ready For the Future
MED-EL Audio Processors

Our Audio Processors

Of course, your implant is only half the story. You also need to choose an audio processor, which will work with your SONATA implant to give you great hearing.

Take a look at the audio processors below, and see which is the right fit for your lifestyle.


 User Stories


See why more than 200,000 recipients rely on MED‑EL for their hearing solutions.

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Find rehab tips, apps and downloads to get the most out of your implant.

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Share experiences with other MED-EL recipients on social media.

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* The SONATA cochlear implant is MR conditional. Recipients with a SONATA cochlear implant may be safely MRI scanned at 0.2, 1.0 and 1.5 Tesla following the conditions detailed in the instructions for use.
** Unless required for diagnostic reasons.
*** The terms and conditions of the MRI Guarantee can be found here.

Technical Data

Width: 25.4mm
Length: 45.7mm
SONATA cochlear implant

Cochlear Implant

Stimulation Features

  • Sequential non-overlapping stimulation on 12 electrode channels
  • Simultaneous (parallel) stimulation on 2 to 12 electrode channels
  • 24 independent current sources
  • Stimulation rates of up to 50,704 pulses per second
  • Current range (nominal value): 0–1200 µA per pulse phase

Pulse Shapes

  • Biphasic, symmetric triphasic and triphasic precision pulses

Comprehensive Diagnostic Toolkit

  • Status Telemetry
  • Impedance and Field Telemetry (IFT)
  • Auditory Nerve Response Telemetry (ART™)
  • Electrically Evoked Auditory Brainstem Response (EABR)
  • Electrically Evoked Stapedius Reflex Threshold (ESRT)

Safety Features

  • Output capacitors for each channel
  • Unique Implant ID (IRIS)

Housing Design

  • Impact resistance ≥ 2.5 Joule
  • Recommended depth for the stimulator: 2 mm
  • Stimulator: 17.3 mm x 25.4 mm x 5.9 mm (typical)
  • Coil: 29.0 mm diameter x 3.3 mm thick (typical)
  • Weight: 8.6 g

Get in Touch

Would you like more information on our hearing loss solutions? Just fill out our simple contact form and we’ll get back to you.

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