Profilo Nano (Main Photo is Actual Item for sale)


The Profilo Nano is one of Phonak’s smallest, most covert, 100% interference-free in-ear receivers. Phonak’s transductive loop technology is the only analog transmission technology that guarantees wearers of in-ear receivers 100% interference-free communication.  Powered by common inexpensive long-life zinc-air hearing aid battery (not included).


The crackling and hissing in the ear caused by electromagnetic interference (EMI) from alarm systems, vehicles and other electronic circuits can quickly lead to unclear communication and, in the worst case, can cause undercover investigations to fail. Similarly, failure can also result from a large and obvious earpiece being spotted by a surveillance target.


Profilo Nano by Phonak is our smallest in-ear receiver for covert communication. Thanks to its transductive loop technology, it’s completely immune to electromagnetic interference, ensuring you won't be noticed or miss any transmissions.


  • Smallest in-ear receiver
  • Absolutely immune to electromagnetic interference
  • Crystal-clear sound
  • Selection of PTTs and induction loops (Uses standard CR2032 battery)
  • Features German and Swiss engineering and quality


Profilo Nano covert earpiece sets are compatible with a wide range of professional radios (including the latest TETRA models from Motorola, Sepura and Hytera). Phonak’s in-ear receivers are the result of decades of hearing research and experience. That’s why thousands of professional users around the world trust us. This model features a circular quick-disconnect Hirose connector frequently used on Motorola radios (Jedi Series, XTS3000, XTS5000, APX Series, many others).


Single loop (65cm , detachable) with internal microphone, with wireless Keyfob PTT.  The neck loop material features a bio-compatible wire jacket used in medical applications. It stays soft and flexible for comfortable wear. Enhanced strain reliefs on microphone housing and Hirose radio connector eliminate weak points. Transductive loop features a single quick disconnect system with precise pull force of 25-40 N. This allows more flexibility in regards to loop length.


Wireless PTT programming options: 

- Roger beeps on or off.

- Up/Down arrows control radio volume or send covert tone.


Technical information


Length / width / weight16.4 mm / 9.7–10.9 mm / 1.3 g (including battery)
Interference blockerTransductor including EMI shield
Type of receiverDigital with DSP modulation and processing
Available colorBeige
Max. sound pressure level, automatically limited100 dB(A) SPL*
Frequency band200 Hz – 5000 Hz
Background noise filterSoft squelch
Battery type / average lifeZinc-Air, size 10 / 80 hrs.
End-of-battery-life warning3 x 2 beeps
Temperature range (storage)-20°C to +60°C
Temperature range (operation)-10°C to +60°C
Microphone (integrated in the transductive loop)  Omnidirectional electret microphone
 - frequency band101 Hz – 10 kHz
 - Sensitivity at 1 Hz (dB re 1V / 1PA)-34.0 + / -3 dB

* The output level complies with the EU directives EN50332 parts 1 & 2.