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Single Channel Audio Surveillance



This kit is perfect for wireless audio surveillance. With this kit you can secretly listen to conversations in another room up to 300 meters away.
This audio spy kit contains both audio transmitter and receiver:

  • The wireless transmitter is a small profile unit with a built-in microphone and antenna enabling it to be easily hidden anywhere under tables, chairs, desks, etc.With the super sensibility of the microphone, this transmitter can catch any whisper in a room, and transmit it to the receiver in a range of up to 300 m.
  • The receiver has an earphone output and an extra output for recording to MP3, MP4, or cassette tape. Use receiver to listen to the audio or to record it for later review.


  • 427 MHz Frequency
  • Transmission Range: 300+ meters (depending on objects and reflections)
  • It works even through walls
  • Voice sensibility: up to 10 m, any whisper in a room.
  • Autonomy with CR2450 battery: 20 hours
  • High stability, crystal quartz controlled

 Package Contents:

  • Audio Transmitter
  • Audio Receiver
  • User Manual - English
  • Power Adapter (100-240V, 50/60hz)
  • Earphones