Featuring the latest technology and the softest electrode arrays in the industry, SYNCHRONY lets you hear the world in full colour.


The Full Spectrum of Sound

To hear your best with EAS, you need to have some natural hearing ability—even if it’s only some sounds. Your natural hearing will help you to hear the low tones, giving you the full spectrum of sound.

A good quality EAS system should be designed to preserve your natural hearing. A poorly-designed implant could damage your ear, putting your natural hearing ability at risk. That’s why it’s important to choose an implant that is designed to protect your ear, so that you can maintain your natural hearing and experience sounds as they were meant to be heard.

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MED-EL SYNCHRONY Cochlear Implant



Soft Electrode Arrays

SYNCHRONY uses the softest electrode arrays in the industry, to protect your remaining natural hearing and give you the full spectrum of sound.


Outstanding MRI Safety*

With outstanding MRI safety, SYNCHRONY is there with you no matter what life brings.


Lifetime Reliability

Using our decades of experience, SYNCHRONY is built for long-term reliability, to bring you a lifetime of hearing.


Flexible Compatibility

Benefit from the latest technology. SYNCHRONY is compatible with all our current EAS audio processors, giving you the flexibility to upgrade at any time.


Hear Naturally

SYNCHRONY is built to protect your ear, particularly the delicate structures of your cochlea. This way, you can keep more of your natural hearing ability once you have your implant, giving you optimal sound quality.

But how does SYNCHRONY protect your natural hearing? It’s all to do with the electrode array, the long thin part of the implant which is inserted into your cochlea. SYNCHRONY’s electrode array is super soft and flexible—in fact it is the softest in the industry. Because of this, it can be inserted very gently into your cochlea, preserving your natural hearing ability, and helping you to hear your best.


Easy MRI

Life has its unexpected bumps and falls, and most of us will have an MRI scan at some point in our lifetime. Thankfully, SYNCHRONY has outstanding MRI safety. Its specially-designed magnet can undergo even high-resolution MRIs at 3.0 Tesla, without having extra surgery** to remove the magnet.

That means you won’t have to have additional surgery just to get an MRI scan. There will be no hearing downtime—you can start hearing again straight after the scan. With SYNCHRONY, you can have hassle-free MRIs, without giving your implant a second thought.

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Great Protection. Guaranteed.

Because of our long and positive experience with MRIs and cochlear implants, we offer a life-long MRI guarantee. We promise to replace your implant in the very unlikely event that it’s damaged during an MRI scan.

This life-long MRI guarantee for cochlear implants is the first and only to be offered by any company and covers all MED-EL cochlear implants from as far back as 1994. So you can feel confident about any future MRI scans. 

Reliable Hearing

An EAS system should enable you to hear all day, every day, without any interruptions. Your implant should be of the highest quality, to give you reliable hearing for many years to come.

For this reason, we have spent decades developing the most reliable implants in the industry. Each MED-EL implant is handmade at our headquarters in Europe, to ensure it is of the high quality we expect. That way, you get the reliable hearing you expect.

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SYNCHRONY compatibility

Upgrade at Any Time

Your implant will be with you for many years, but that doesn’t mean you can’t benefit from the latest technology. With SYNCHRONY, you can use any MED-EL EAS audio processor, so it’s possible to upgrade at any time.

That means you can get the newest audio processor without having extra surgery to get a new implant. SYNCHRONY is designed to ensure you hear your best now, and in the future.

Built for Everyday
User Stories


See why hundreds of thousands of people have entrusted MED-EL with their hearing.

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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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Technical Data

Width: 25.4mm
Length: 45.7mm
SYNCHRONY implant size
⌀ 1.0mm
SYNCHRONY Implant from the side

Cochlear Implant (Mi1200)

Housing Design

  • Impact resistance up to 2.5 Joule
  • Unique PIN variant with fixation pins for additional stability
  • Weight: 7.6 g

Stimulation Features

  • Sequential non-overlapping stimulation on 12 electrode channels
  • Intelligent parallel stimulation on 2 to 12 electrode channels
  • 24 independent current sources
  • Stimulation rates of up to 50,704 pulses per second
  • Range of pulse phase duration: 2.1–425.0 μs/phase
  • Interphase gaps of 2.1, 10, 20 and 30μs
  • Time resolution (nominal values): 1.67 μs
  • 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™, AutoART, ARTFit)
  • Electrically Evoked Auditory Brainstem Response (EABR)
  • Electrically Evoked Stapedius Reflex Threshold (ESRT)
  • Electric Acoustic Evoked Potential (EAEP)

Safety Features

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

MRI Safety*

  • MR Conditional at 0.2, 1.0, 1.5 and 3.0 Tesla
  • No magnet removal required even at 3.0 Tesla
  • Magnet removable for minimised image distortion

Electrode Arrays

FLEX Series


  • 20.9 mm stimulation range
  • Diameter at basal end: 0.8 mm
  • Dimensions at apical end: 0.5 x 0.3 mm


  • 15.4 mm stimulation range
  • Diameter at basal end: 0.8 mm
  • Dimensions at apical end: 0.5 x 0.3 mm

* The SYNCHRONY cochlear implant is MR conditional. Recipients with a SYNCHRONY cochlear implant may be safely MRI scanned at 0.2, 1.0, 1.5, and 3.0 Tesla following the conditions detailed in the instructions for use.
** Unless required for diagnostic reasons.