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COSVOX Cosplay Sound Effects PIR Motion Sensor

Price: £23.94 (£19.95 ex. VAT)

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COSVOX Cosplay Sound Effects PIR Motion Sensor. Play iconic voice lines, awesome sound effects or epic music. When someone walks past the sensor, the sound will play automatically. Ideal for Cosplay props, droids, craft models, and themed displays. Record your own voice with the built-in microphone or download your own custom MP3 sounds from a computer via USB. Easy to use, step-by-step instructions included.


  • Bring your props, droids and models to life.
  • Create a special entrance greeting.
  • Raise attention and create impact by adding voice lines, music or sound effects to a themed display.


  • Record your own speech, music or sound effects using the built-in microphone
  • Option to download your own MP3 sound files
  • Update and change your messages as many times as you wish
  • Automatic audio playback after the PIR sensor has been activated
  • High quality MP3 sound output
  • Store multiple MP3 files or voice recordings to enable a looped playback
  • Three volume settings: Low, Medium and High
  • Wall mounting holes
  • Includes an optional wall mounting bracket
  • Two power supply options: 3 x AAA Batteries or Mains Power Adapter, (bought separately)


  • Built-in microphone and speaker
  • Two playback settings: Single Track or Multiple Tracks
  • In Multiple Track Mode one track will play after each activation, (in file name order)
  • Multiple Track Mode will NOT playback randomly
  • Micro USB Socket to support a 5 Volt DC Power Adapter
  • File transfer using the built-in Micro USB socket and cable supplied
  • Audio playback format: MP3 format only
  • Sensor activation distance: Up to 4 metres with a 120 Deg Angle
  • Volume Level: 90 dB maximum, (depending on original recording)
  • Size: 96 x 60 x 25mm
  • Internal Memory: 4MB
  • Recording time: Approx 4 minutes, (calculated at 128Kbps MONO bitrate)
  • Note: Recording time can be doubled to 8 minutes by changing the MP3 file sample bitrate to 64kbps. (See notes below)
  • Battery Life: This will depend on the mAh rating of the batteries that you install. As an example, based on batteries with a capacity between 500-1000 mAh, a 5 second message will playback between 3,600 and 7,200 times. We always recommend that you use high quality branded alkaline batteries.

PIR Motion Sensor Pro User Guide User Guide

What is PIR?
PIR stands for Passive Infrared. A PIR Sensor is an electronic sensor that measures infrared light radiating from objects in its field of view. All objects with a temperature above zero emit heat energy in the form of radiation. Usually this radiation is invisible to the human eye because it radiates at infrared wavelengths, but it can be detected by PIR Sensors. PIR sensors don't detect or measure heat, but instead they detect the Infrared radiation emitted from an object. A PIR-based motion detector is used to sense movement of people, animals, or other objects. They are more commonly used in burglar alarms and automatically-activated lighting systems.

What is the difference between normal Motion Sensors and PIR Sensors?

PIR Sensors do not detect motion, instead they detect abrupt changes in temperature at a given point using the Infrared radiation level. As an object, such as a human, passes in front of the background, such as a wall, the temperature at that point will rise from room temperature to body temperature, and then back again. This quick change triggers the detection.

Playback calculations based on the 4MB of memory
A playback time of 8 minutes can be achieved with an MP3 file that has a Bitrate value of 64Kbps.
A playback time of 4 minutes can be achieved with an MP3 file that has a Bitrate value of 128Kbps.
A playback time of 2 minutes can be achieved with an MP3 file that has a Bitrate value of 256Kbps.

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COSVOX Cosplay Sound Effects PIR Motion Sensor