Petralex ® is a hearing aid application based on iPhone or iPad, running same principles as conventional wearable hearing aid. Auto-adjusting to your personalized profile sound processing, completely invisible to anyone - use it with ordinary headset!

Using iPhone or iPad powerful hardware with our patented algorithms and user-friendly interface with fast profile selection brings maximum sound quality and comfort of use.

Benefits of Petralex ®:

- Easy to use - no special devices, no battery replacements or all-day wearing annoyance;

- Quick Setup for any sound environment;

- Increased sampling rate - 44.1 kHz, providing the best sound quality;

- Easy switching between device and headset microphones;

- Full acoustic gain up to 30 dB with a standard headset;

- Calculated minimum signal processing delay - just 6,3-15,7 ms (depending on the model);

- Use the built-in mic to catch sound from distant sources, i.e. in classroom, at theatre (or use it as a spy-ear!);

- Easy profile sync for all of your iOS devices with iCloud support;

- Setup and adjust the app without visiting a specialist;

You can compare the original and processed sound test phrases on our site

Petralex www.petralex.pro.

*Disclaimer:
The Petralex® app is not approved as a medical device or software and cannot be used as a hearing aid with doctor`s prescription.
Audiometric test provided in the application can be used only for app adjustment. Testing results are not a substitute for professional audiology tests and cannot be considered as a basis for diagnosis.