Hearing without limits!

Use your smartphone and headset with PETRALEX application instead of hearing aid*

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Advantages of the application

Hearing test
Getting an audiogram at home within a few minutes.
Automatic setting
Simple automatic adjustment of the application without a specialist's help.
Remote adjustment
Can be finely adjusted remotely by a specialist.
No one will pay any attention to phone or tablet user, no one will guess about its importance for you.
Audio recorder
Recording the conversation with a built-in dictaphone with sound amplification
Speech recognition
Automatic conversion of the recorded speech into text
Regulated noise suppression
Elimination of backgroud noises and increase of speech intelligibility.
Additional applications for listening to music, radio, and video with amplified sound.
Adaptation course
Unique audiovisual course for adaptation of your hearing to the hearing aid.
Dynamic compression
Regulated amplification of quiet sounds with preservation of the general volume level.
Without batteries
No battery change needed.
Favourite headphones
Compatible with any headphones and headsets


Basic functions
  • Automatic adjustment to hearing specifics
  • Hearing correction for each ear
  • Adaptation to different types of environment
  • Full acoustic amplification up to 30 dB with a wired headset
  • Built-in hearing test
  • Dynamic compression
  • Using 4 options of sound amplification
  • Adaptive course for getting used to the hearing aid
  • Speech recognition
  • Support of Bluetooth headsets and Air Pods
Premium subscription
  • Regulated noise suppression
  • Latest amplification method Dectone which amplifies even better
  • Editing hearing profiles – fine adjustment
  • Audio recorder with sound amplification
  • Unlimited number of profiles
  • Adaptation course
  • Sound filter from tinnitus
  • Video Hearing Aid App
  • Music Volume Booster
  • Radio Hearing Aid App

Recommended headsets

Artone HA2GO

Specific features

  • Frequency Range: 20Hz - 20KHz
  • Sensitivity: 110dB+/-3dB
  • Speaker diameter: 13mm
  • Plug Type: 3.5mm
  • Length of Cable: 1.2m


Choose your PETRALEX

Music player.

Music player with sound amplification for hearing impaired.


Video player with sound amplification for hearing impaired.


Radio with sound amplification for hearing impaired.