Voice-Block - Voice Recorder Listening Device Blocker

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  • Protect conversations against espionage
  • Jams condenser microphones found in voice recorders & audio bugs
  • Use in vehicles, office, home, traveling
  • Easy to use
  • 9V Battery Included
  • View full description


Voice-Block Conversation Security Device
Protects conversations by jamming the microphones of voice recorders, listening devices and other audio espionage tools.

  • Protect conversations from eavesdropping
  • Jams condenser microphones found in voice recorders, audio bugs and common listening devices
  • Use in vehicles, office, home, traveling
  • Easy to use
  • 9V Battery Included

To use, simply place the Voice-Block in the area in which you suspect a voice recorder or listening device may be located and turn on. Voice-Block emits a specialized wide-spectrum sound which masks the recording and transmitting of sounds in the human voice range, effectively securing sensitive conversations from espionage.

Protect phone and in-person conversations

  • in vehicles
  • in the office
  • in boardrooms
  • during meetings
  • at home
  • while traveling


  • Voice-Block Conversation Security Device
  • 9V battery
  • Quick-start guide
  • 1 year warranty
  • USA-based technical support


Extra Information

Protection type:
Voice conversation
Protects against voice recorders:
Protects against listening devices:
Protects against audio bugs:

1 Reviews

  • Posted by Nunya Petrovsky on Feb 6th 2020


    Voice recorder blocker

    Tested the voice blocker with 3 voice recorders, works great as long as its in the general proximity of the recorder. I'm just saying don't think that you can put this on the other side of the office or house and think it's gonna block the mic on a hidden recorder.