MED-EL · Audio Processors
RONDO 3
An all-in-one processor worn off the ear, with wireless charging, up to 24 hours per charge…
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MED-EL · Audio Processors
SONNET 3
MED-EL's smallest and lightest behind-the-ear audio processor: waterproof, with integrated direct streaming.
Key features
- MED-EL's smallest and lightest behind-the-ear processor
- Waterproof to IP68: fresh water up to 1 m for 60 minutes
- Integrated direct streaming of calls, music and TV, with no extra device
- Works with iPhone and Android phones
- Automatic Sound Management 3.0 with Adaptive Intelligence and dual microphones
- Bimodal: works alongside a hearing aid of any brand
- Child-friendly: tamperproof locks and a coil link-check light
- Red Dot design award 2025
SONNET 3 is MED-EL’s smallest and lightest behind-the-ear audio processor. It is waterproof, streams directly from phones and TVs, and works with every MED-EL multichannel cochlear implant.
Clear hearing, automatically
Dual microphones and Automatic Sound Management 3.0 adjust to your surroundings without you having to change settings. Noise reduction for wind and background noise, and FineHearing technology, help bring out the detail in speech and music.
Streaming without extra devices
Take calls from iPhone and Android phones, listen to music in stereo while still hearing what is around you, and stream TV sound from compatible smart TVs and media players. If you wear a hearing aid on the other ear, SONNET 3 works with any brand, and some hearing aids can receive the stream at the same time.
Made for active lives
SONNET 3 is rated IP68, so rain, sweat and swimming in fresh water are no problem. For salt or chlorinated water, the WaterWear cover adds full protection.
Designed with children in mind
Tamperproof locks, a light that shows whether the coil is connected, the smaller Micro Pro battery and clothing clips make SONNET 3 practical for babies and young children. Parents can check the processor through the AudioKey 3 app.
Technical data
| Frequency range | 70 to 9300 Hz |
|---|---|
| Water rating | IP68 |
| Programs | 4 |
| Batteries | 2 × 675 zinc-air (up to 60 h), Standard Pro rechargeable (up to 23 h), Micro Pro rechargeable (up to 12 h) |
| Charging time | About 3 hours |
| Weight | 9.5 g with two zinc-air batteries |
| Connectivity | 2.4 GHz, Bluetooth LE, MFi and ASHA |
| Apps | AudioKey 3, HearCare MED-EL |
Specifications
- Brand
- MED-EL
- Type
- Cochlear implant audio processor (behind the ear)
- Battery
- Up to 60 h on two 675 zinc-air batteries; rechargeable Standard Pro up to 23 h, Micro Pro up to 12 h
- Water resistance
- IP68 waterproof; WaterWear for salt or chlorinated water
- Connectivity
- Bluetooth LE (MFi and ASHA), true stereo, bimodal streaming with compatible hearing aids
- Suitable for
- Children and adults with MED-EL cochlear implants
- Compatible with
- All MED-EL multichannel cochlear implants; hearing aids of all brands
- Colours
- Anthracite, Beige, Ebony, Nordic Gray, White and Black, plus design covers
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