SONNET 2 Audio Processor
Don’t fit your life around an audio processor—choose a processor that fits your life! Whatever your lifestyle, SONNET 2 is made for you. Wear it the way you want to. Connect it to the phone you already have. And experience great sound quality, whatever you’re doing.
Easy Listening
SONNET 2 is designed to give you your best hearing possible, wherever you are. Whether in a noisy restaurant, at a music concert, or simply taking a walk on a windy day, SONNET 2 lets you hear your best in any environment.
Microphone Directionality focuses your hearing by using two microphones to sharpen the sounds in front of you. This gives you better listening, especially in noisy settings.
Wind Noise Reduction minimizes continuous wind noise, making it easier to hear in outdoor settings. The wind noise reduction can be adjusted for your specific needs.
Automatic Volume Control continuously monitors your environment and seamlessly adjusts volume levels to ensure every sound is heard clearly and comfortably.
Hear the Difference
Any audio processor can give you sound. We want to give you more—that’s why our audio processors are powered by Triformance technology.
With Triformance, you can enjoy richer music and more natural speech. You’re choosing to hear, so why not choose to hear your best?
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Connect to Your Devices
Use the phone you like, and connect it to the audio processor you love. Just slide the AudioStream cover onto your SONNET 2 to stream music and phone calls directly to your audio processor. Or use AudioLink®—a universal connectivity device that allows you to stream sound from phones, tablets, TVs, and much more. AudioLink can connect to anything that has Bluetooth® or a headphone jack, including that old record player in the attic!
On the Phone
Listening to Music
Watching TV
Public Venues
At Work or School
AudioLink
With AudioLink, all you need is a phone with Bluetooth technology to send calls straight to your audio processor.
AudioStream
Slide the AudioStream cover onto your audio processor to stream phone calls directly from your Android or iPhone.
AudioLink
Download the Audio2Ear app and stream music wirelessly to your audio processor via the AudioLink connectivity device.
AudioStream
Slide AudioStream onto your audio processor to wirelessly stream your favorite songs from your smartphone or tablet.
Watching TV
Hear the TV from across the room. Use the AudioLink docking station to stream sound from your TV straight to your ears.
Public Venues
Telecoil is the tried and trusted way to hear more clearly when you’re out and about. Connect SONNET 2 to telecoil loops in theaters, banks, places of worship, and many other public venues.
At Work or School
AudioLink’s remote microphone feature is ideal for hearing someone from a few meters away, whether that’s a teacher, a co-worker, or just your family at dinner!
Be In Control
Gone are the days of carrying around a remote control. With the new AudioKey 2 app, you can change settings on your SONNET 2 directly from your phone. Volume, mic sensitivity, program selection—all at the press of a button.
What’s more, AudioKey 2 also lets you see your individual hearing stats, such as how long you wear your SONNET 2 each day. And if you unexpectedly lose your processor, the "Find My Processor" function shows where you last used the app with your audio processor, so you can retrace your steps.
AudioKey is available in areas where AudioKey 2 is not. Please contact your local MED-EL representative for more information.
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Match your style
Style your SONNET 2 to match your individual look. With hundreds of color combinations* to choose from, you really can give your SONNET 2 a unique makeover!
Visit the SONNET Series Color Configurator, and start designing your personal SONNET 2.
*Additional colors and designs sold separately.
Awarded to the SYNCHRONY System, comprising the SONNET 2 Audio Processor and accessories, SYNCHRONY 2 Cochlear Implant, and MAESTRO 8.0 fitting software.
Splash Around
With SONNET 2, you can get caught in the rain! SONNET 2’s water-resistant design protects it from everyday splashes and moisture. Going for a run in the rain just got a little bit easier.
And for swimming or other water sports, the waterproof WaterWear covers are ideal! Simply slip the cover over your processor and enjoy hours of hearing fun in the pool or at the beach.
For Kids
Choosing the right audio processor for your child can be hard. SONNET 2’s compact and durable design makes it the ideal choice for children—from their first birthday right through to their teens and beyond.
Tamperproof Design
Audio Processor Check
Wearing Options
Fixation Options
Small Size
AudioKey 2 App
Tamperproof Design
SONNET 2 is tough enough for even the most curious toddlers. Both the audio processor and the coil are fully lockable, keeping them safely in one piece, and are optimally sized so they can't be swallowed by children.
Audio Processor Check
Check that your child's audio processors are working correctly. The link-check function lets you see at a glance if your child's SONNET 2 is attached to the coil correctly. And you can check if their microphones are working properly using the FineTuner Echo Remote Control.
Wearing Options
SONNET 2’s wearing options make it lighter to wear for little ears. BabyWear and ActiveWear allow you to attach some or all of the audio processor to your child’s clothes, so that they can enjoy comfortable hearing all day long.
Fixation Options
Keeping audio processors on your child can be a challenge! With a wide range of convenient fixation options, your child can wear SONNET 2 all day long.
Compact size
Choose the Micro Rechargeable Battery for your child’s SONNET 2 and give them one of the smallest and lightest audio processors available.
AudioKey 2 App
The AudioKey 2 app contains a special “Guardian Role” feature, so you can control your child’s audio processors from your phone. In addition, you can check their hearing stats and make sure they are getting the most from SONNET 2.
Long-Lasting Power
SONNET 2’s powerful batteries mean you can go for days at a time. Choose regular zinc-air disposable batteries for the longest wearing time. Alternatively, the rechargeable batteries are a convenient way to keep SONNET 2 powered up throughout the day.
Disposable Batteries 
Rechargeable Batteries
Disposable Batteries
Use two disposable zinc-air batteries with your SONNET 2 for maximum battery life.
- Up to 60 hours of power from two size 675 zinc-air batteries.
- Up to 10 hours of waterproof hearing with WaterWear and two silver-oxide batteries.
Rechargeable Batteries
SONNET 2’s handy rechargeable batteries can be worn during the day and then charged overnight. They come in two different sizes: Standard and Micro.
- Up to 10 hours of power with the Standard Rechargeable Battery.
- Up to 7 hours of power with the Micro Rechargeable Battery.
SYNCHRONY 2 Cochlear Implant
Great sound quality is only possible with a great implant. With SYNCHRONY 2 you can benefit from the latest cochlear implant technology and our MRI Guarantee.
But the biggest advantage of SYNCHRONY 2 lies in its super soft electrodes. Find out about MED-EL's electrodes, and how they help you make the most of your hearing.
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Technical Data
SONNET 2
Audio Processor
(Me1510)
Weight and Dimensions
- 6.1 g (with ActiveWear)
- 8.1 g (with Rechargeable Battery Micro)
- 10.6 g (with two 675 zinc-air batteries)
- DL-Coil: 4.6 g, 32.8 mm x 5.8 mm
- DL-Coil: 5 magnets available in 9 strengths
- Durable coil cables available in 3 lengths:
- 6.5 cm (2.6 in)
- 9 cm (3.5 in)
- 28 cm (11.0 in)
Material
- Processor & Coil: Mixture of polycarbonate and acrylonitrile-butadiene-styrol polymer
- Earhook: Polyamide (PA)
- Cable: PVC and TPE Evoprene
Compatibility
- Backwards compatible with all MED-EL multichannel cochlear implants.
- MAX Programming Interface
- MAESTRO System Software
Product Features
- Frequency Range 70–9300 Hz
- Splashproof design with IP54 rating
- Dual microphones
- Extended Datalogging
- Automatic Sound Management 2.0
- Tamperproof design
- Secured earhook
- Locking battery pack
- Choking hazard avoidance
- Attachment security measures
- Locking coil cable (locked to coil and control unit)
- Link-check coil function with LED indicator
- Four program positions
- Continuous volume and sensitivity control with FineTuner Echo or AudioKey
Sound Processing Features
Front-End Processing
- Microphone Directionality (Omni, Natural, Adaptive)
- Automatic Volume Control with Dual-Loop AGC
- Wind Noise Reduction
- Input Dynamic Range (IDR) of 75 dB
Coding Strategies**
- FS4 (Fine Structure Processing up to 1 kHz on 4 apical channels)
- FS4-p (Fine Structure Processing up to 1 kHz on 4 apical channels with Intelligent parallel Stimulation)
- FSP (Fine Structure Processing typically up to 350 Hz on 2 apical channels)
- HD-CIS (High Definition CIS)
- Biphasic or Triphasic stimulation pulses
- Supports 250 spectral bands
Connectivity
Technology
- 2.4 GHz wireless communication
- Direct wireless audio streaming via Bluetooth Low Energy with AudioStream
- True stereo sound quality
- Support for bilateral usage
- Integrated telecoil
Accessories
AudioLink
- Dimensions: 68 x 38 x 17.5 mm
- Weight: 35 g
- Remote microphone
- Hands-free phone calls
- TV streaming
- Music streaming
- Direct audio input (DAI)
AudioKey 2 app
- Remote control functionality
- Guardian functionality
- Extended Datalogging
- Find My Processor
- Send Feedback
FineTuner Echo
- Dimension: 104 x 38 x 11 mm
- Weight: 32g (including battery)
- Compact remote control with bi-directional communication
- ePaper Display
- Test audio processor microphones
- SONNET 2 battery status
WaterWear cover
- Waterproof up to 4 meters depth
- Can be used in salt, fresh, and chlorinated water
Battery Options
Zinc-Air Batteries
- Up to 60 hours of use with a set of 2 disposable zinc-air 675 batteries
SONNET 2 Rechargeable Battery
- Dimension: 22 x 14 x 7 mm
- Processor Weight with Battery: 9.1 g
- Usage time: Up to 10 hours
- Charging duration: ~4 hours
- Lifetime: >500 charging/discharging cycles
SONNET 2 Rechargeable Battery Micro
- Dimension: 16 x 14 x 7 mm
- Processor Weight with Battery: 8.1 g
- Usage time: Up to 7 hours
- Charging duration: ~3 hours
- Lifetime: >500 charging/discharging cycles
SONNET 2 Charging Unit
- 4 simultaneous charging slots
- Power & charging indicator lights
- USB powered: 5V DC, 500mA
- USB power adapter: 100–240V AC (~50/60 Hz)
SONNET 2 Mini Battery Pack
- Dimensions: 66 x 29 x 14 mm
- Weight (without battery): <13g
- Usage time:
Up to 37 hours with 1 AAA battery or
up to 16 hours with Rechargeable DaCapo Powerpack
** Fine-structure coding is not indicated for pre-lingual
children in the USA.
Contact Us
Have you or your child been diagnosed with a hearing loss? Do you want to talk to someone to better understand your options? Our team of hearing professionals is ready to answer any questions you may have to help you decide what is right for you.
