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  • https://www.spy-equipment.co.uk/media/product/d71/audio-microphone-surveillance-kit-874.jpg
    Audio Microphone Surveillance Kit

Audio Microphone Surveillance Kit

Availability: In stock


Quick Overview

Model KWL-1000


Audio monitoring and surveillance kit

High gain high sensitivity amplifier with headphones

Directional Microphone

Contact Microphone

Seed Microphone 5m



Availability: In stock



Audio Microphone Surveillance Kit
This is a profession grade audio microphone surveillance kit. For discrete listening of conversations through various mediums and long range monitoring of live conversations. The kit contains the following:-

    * Portable high gain audio amplifier with highly selective preamplifier and headphone unit. The device amplifies the signal derived from the set of supplied microphones from -80dB. The amplifier has a audio output for direct connection to a recoding device through its mini jack socket and mini jack socket for the supplied earphones.The amplifier which is powered from a 9 V battery will operate up to 10hours on a single Lithium battery. 

    * Contact Microphone - based on a non piezoelectric transducer, which can pickup the word spoken from behind a concrete wall up to a thickness of 15cm. But this parameter can be changed if the surface (wall), which is lined with material such as thick wallpaper, Styrofoam insulation, etc. 

 Contact Microphone – can be used in hotel rooms, offices, boardrooms etc by  listening through the central heating pipes, doors, windows, floors, walls etc.

    * Directional microphone - a high quality miniature low-noise capacitive microphone with highly directional characteristics: allowing you to pickup normal conversation from a distance of up to 20 m. It is small enough that it can be easily held in your hand and covertly directed at the conversations that you want to hear or record. 

    * Microphone on "Wire" – High sensitivity omni directional  microphone for recording conversations through the ventilation ducts ceiling voids, hollow walls electrical conduit, floor boards etc. Once you know where, you simply send down our microphone and listen to what is happening in the room.

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© 2015 K9 Electronics. All Rights Reserved.
Powered By  Pringapus Networks