RONDO 2
CI Audio Processor

These support guides will help you handle and care for the RONDO 2 Audio Processor.

Frequently Asked Questions

Looking for more information about the RONDO 2 Audio Processor? Take a look below for answers to our most frequently asked questions. 

RONDO 2 is an audio processor for MED-EL cochlear implants. It is a single-unit audio processor, which means that the coil, cable, battery, and control unit are combined into one compact design that is worn comfortably off the ear.

RONDO 2 is the first audio processor ever with a built-in rechargeable battery that can be charged wirelessly. This means you’ll never have to change a battery for RONDO 2—just set it on the charging pad at night and wake up to a fully charged RONDO 2 and a full day of hearing. 

There’s no need to change cables or fiddle with disposable batteries. This means you will save yourself time and money—and from the guilt of having to throw away all of those used batteries.

Charging pad not manufactured by MED-EL and designs may vary.

RONDO 2 is compatible with all MED-EL multi-channel cochlear implants from the past 20+ years. Recipients with a SYNCHRONY series, CONCERTO series, SONATA series, PULSAR, C40+, or C40 implant can use RONDO 2.

RONDO 2 provides up to 24 hours of battery life for a full day of hearing without interruption. RONDO 2 delivers high performance without compromising battery life, even while using wireless accessories.

A 5 hour charge provides up to 24 hours of battery life.

RONDO 2 is available with a Mini Battery Pack that lets you power it with a regular AAA battery, giving you up to 37 hours of battery life.

The integrated lithium-ion battery is designed to last at least 5 years, so it does not need to be replaced.

There’s a simple on/off button on the top of RONDO 2. A single touch is enough to activate RONDO 2.

RONDO 2 is designed for hands-free control with Automatic Sound Management. This minimizes the need to manually change settings or make adjustments with your remote.

RONDO 2 is the easiest-to-use audio processor ever made, so it’s the ideal option for anyone who wants simplicity. This includes individuals with arthritis or limited vision.

RONDO 2 is available in 5 matt and 5 glossy colors, plus 24 Design Covers.

Yes, the simple-to-use Design Covers make it easy to change how RONDO 2 looks. There are 24 Design Covers to choose from, and you can change covers in a snap. The Design Covers replace the regular RONDO 2 cover, so they do not change the size or thickness of RONDO 2.

RONDO 2 is designed to provide the closest to natural hearing, which means better hearing and a richer, fuller hearing experience.

It’s important to remember that the implant and electrode array are the most important factors in the sound quality of a cochlear implant system.

Yes, RONDO 2 has an integrated telecoil that easily connects to Bluetooth® neckloops & other accessories. This makes it easy to stream calls from your iPhone, Android, or other mobile devices.


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.

Together with the Mini Battery Pack accessory, RONDO 2 can be connected to almost any external audio device.
RONDO 2 has a splash-proof design that protects it against rain, sweat, and other moisture.
Yes, with WaterWear for RONDO 2, you can swim in pools, lakes, oceans, and more.
RONDO 2 is incredibly small and compact, at just 46.8 mm long by 35.8 mm wide by 12.1 mm thick. It only weighs 14.9 grams—17% lighter than our previous single-unit audio processor, RONDO.
Yes, RONDO 2 is extremely lightweight, compact, and worn completely off the ear—so it’s perfect for all-day wearing comfort.
Definitely! RONDO 2 is worn completely off the ear, so it’s perfect for individuals who wear glasses.
Yes, thanks to its sleek design, RONDO 2 can be completely hidden under hair. There are also hair-pattern Design Covers that make it especially easy to hide RONDO 2.
Yes, RONDO 2 is designed to stay securely on your head. There are additional fixation options available, such as the Sports Headband, for added security. RONDO 2 is also sweat resistant, so you can enjoy uninterrupted hearing during high-energy activities.
No! The only maintenance task you'll have to carry out is changing the cover every three months. Apart from that, RONDO 2 has no cables or coils, and you’ll never need to open the processor to change the batteries. It’s also dustproof and sweat resistant. This makes it very reliable and low maintenance.

RONDO 2’s reliable and cost-efficient design makes it one of the most affordable audio processors available. There are no cables or disposable batteries to replace, so daily use of RONDO 2 is very inexpensive and cost-efficient.

Yes, the charging pad for RONDO 3 can also be used for RONDO 2.

Head to our main FAQs page for more information about all our different hearing solutions. 

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