OPUS 2 Audio Processor

Introducing OPUS 2—the audio processor made for everyday. It’s so light you’ll barely feel it, and so thin you’ll barely notice it. OPUS 2 comes with multiple wearing options, so can be easily customised to suit you and your lifestyle.

OPUS 2 Audio Processor
OPUS 2 Audio Processor

A Processor for Everyday

OPUS 2 combines great sound quality with sleek style and an adaptable design. Discover how OPUS 2 fits into your day-to-day life.

  • Superior sound quality
  • Compact size
  • Wireless connectivity
  • Multiple wearing options
OPUS 2 - A Processor for Everyday
OPUS 2 Audio Processors

Adapting to You

Let your audio processor do the hard work. Using Automatic Sound Management technology, OPUS 2 automatically controls volume levels for you. With ASM, you can stop fiddling with programme settings, and simply join the conversation.

Smartphone connectivity with OPUS 2

Go Wireless

In a restaurant, on the phone, or at the airport—sometimes it’s hard to follow the conversation. To help with this, OPUS 2 wirelessly connects to a range of devices, giving your hearing a boost when you most need it. From wireless microphones to simple telecoils, OPUS 2 offers plenty of ways to connect.

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OPUS 2 Battery Power
OPUS 2 Audio Processor battery options

Power it Your Way

OPUS 2’s modular design gives you the flexibility to choose the right battery pack for your needs. Whether you’re looking for extensive battery life, or an efficient rechargeable system, OPUS 2 delivers long-lasting power and uninterrupted listening.

Make a Splash

Catching a wave in the ocean, relaxing by the pool or simply splashing around in the tub—with WaterWear you can enjoy the water without a worry. The reusable WaterWear covers fit snugly over OPUS 2, giving full protection against water of any kind and ensuring fantastic hearing wherever you are.

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OPUS 2 for Children

For Kids

Kids love to be active, and an audio processor should not get in the way of your child’s adventures. We’ve designed some great wearing options especially for children, to keep OPUS 2 safe and secure no matter what its wearer gets up to!


Add Some Colour

Go for the natural look or make a bold fashion statement with a simple snap of the cover. From neutral hair shades to vibrant tones, OPUS 2’s various components are available in up to 13 different colours, meaning you can customise it to suit your style.

OPUS 2 Colour Options
  • Placeholder-AP-StyleAnthracite
  • Placeholder-AP-StyleNordic Grey
  • Placeholder-AP-StyleSienna Brown
  • Placeholder-AP-StyleEbony
  • Placeholder-AP-StyleBordeaux Red
  • Placeholder-AP-StyleOrange
  • Placeholder-AP-StyleGreen
  • Placeholder-AP-StylePacific Blue
  • Placeholder-AP-StyleBaby Blue
  • Placeholder-AP-StyleBaby Pink
  • Placeholder-AP-StyleBeige
  • Placeholder-AP-StyleCreme
  • Placeholder-AP-StyleWhite
OPUS 2 Design Skins


With customisable adhesive skins from DesignSkins, your processor can look exactly how you’d like. Choose from thousands of colourful designs or upload your own.

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SYNCHRONY 2 Cochlear Implant

Great sound quality is only possible with a great implant. With SYNCHRONY 2 you can benefit from excellent implant reliability and our MRI Guarantee.

But the biggest advantage of SYNCHRONY 2 is that it mimics natural hearing. The result? The closest to natural hearing of any cochlear implant system.

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

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Find all the information you'll need to care for your OPUS 2.

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

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Technical Data

Width: 36.5mm
Length: 48.0mm
OPUS 2 size
Width: 8.7mm
OPUS 2 size

OPUS 2 Audio Processor

Product Features

  • Thinnest audio processor
  • Automatic Volume Control with Dual-Loop AGC
  • Input Dynamic Range (IDR) of 78 dB
  • Omnidirectional microphone
  • Supports 250 spectral bands
  • Frequency Range 70-8,500 Hz
  • Multiple modular wearing options available for pediatric and adult recipients
  • Four program positions
  • Switch-free design
  • Continuous volume and sensitivity control
  • LED indicator light
  • Biocompatible according to Standard ISO 10993-1
  • Latex-free*

Weight and Dimensions

  • 4 g (with Children’s Battery Pack)
  • 9.4 g (OPUS 2 including batteries)
  • 10.1 g (OPUS 2 with DaCapo rechargeable battery system)
  • 12.4 g (OPUS 2 with Standard Battery Pack and batteries)
  • D Coil: 4.4 g (w/ magnet strength #2), 32.8 mm (diameter) x 5.8 mm (height)
  • D Coil: 4 magnets available in 4 strengths
  • Durable coil cables available in 4 lengths: 7.5 cm (2.95 in), 9.5 cm (3.74 in), 12 cm (4.72 in), 28 cm (11.02 in)

Battery Life

  • Up to 60 hours with a set of 2 zinc-air batteries (OPUS 2XS)
  • Up to 90 hours with a set of 3 zinc-air batteries (OPUS 2 with Standard Battery Pack, BabyBTE/ActiveWear, or Childrens Battery Pack)
  • Up to 16 hours with DaCapo rechargeable battery
  • Up to 42 hours with Mini Battery Pack and AAA battery or 16 hours with DaCapo PowerPack


  • Integrated telecoil
  • Direct connection with FM battery cover (standardized Euro-Audio 3-pin connection)

Compatible Hardware/Software

  • Compatible with all MED-EL multichannel cochlear implants
  • MAX Programming Interface
  • MAESTRO System Software
  • FineTuner Remote Control

Sound Processing Features

Sound Coding Strategies
Available strategies via MAESTRO System Software:

  • 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 for even higher temporal accuracy)
  • FSP (Fine Structure Processing typically up to 350 Hz on 2 apical channels)
  • HD-CIS (High Definition CIS)
  • Biphasic or triphasic stimulation pulses


WaterWear cover

  • 60 uses per package.
  • 3 WaterWear covers per package. Each cover is reusable up to 20 times.
  • 60 adhesive strips per package. Each strip can only be used once.
  • Rated IP68
  • Waterproof up to 4 meters depth.
  • Can be used in salt, fresh, and chlorinated water.
  • Only to be used with non-breathable batteries such as DaCapo PowerPack, silver-oxide or alkaline.

* Whereby “free” means “not made with latex” according to current FDA guidance: “Recommendations for Labeling Medical Products to Inform Users that the Product or Product Container is not Made with Natural Rubber Latex”, 2014.

Please find detailed information and specific conditions for use for each product in the respective instructions for use. All functions and features may not be available in all markets. Enabling features on the hardware may be subject to technical considerations.

The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by MED-EL is under license.