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Device will be handmade to order, please allow up to 5 days prior to dispatch.


Hidden Frequencies:
Listen to the hidden realms of electromagnetic fields.


The Hidden Frequencies device detects changes in local electromagnetic fields, that are usually invisible and unheard, and converts them into human audible sounds.


The EMF emitted from devices can vary from white noise, low end rumbles, pulsing clicks and radio style glitched interference - this will depend of the electromagnetic characteristic and strength of the field of what you point at.


EMF Examples:

Fluorescent and LED lighting

Phones/tablets and their chargers


Games consoles

TV's and radios

WiFi routers

DC psu powered equipment

Powertools and motors (strong EMF = loud)


  • on/off power switch
  • orange backlit envelope led - provides a visual of the modulating output
  • sensitivity control - used to amplify and change the tonality of the sound by adjusting the frequency bandwidth. Experiment with the setting to hone in on your desired sound.
  • output level control
  • mini jack output
  • powered by 9v battery (not included)
Custom circuit and design by ResonanceCircuits



Hidden Frequencies

  • In the unlikely event that the device arrives damaged or develops a fault, please get in touch via email to to arrange a return. The device will be repaired and sent back to you.

  • All items include worldwide free shipping and you will be given a tracking number once dispatched.

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