ASK-4® #300


Audio Monitoring Kits
All Products
For Integrators

The ASK-4® #300 is a single zone audio monitoring system designed ideally for connection to IP cameras or DVRs. When ceiling mounted, a Verifact® A microphone can pick up sounds within a 30′ diameter circle. The model IF-1 interface adapter connects to the microphone, supplies power to the microphone and drives audio into the input of the recording device.


  • Line level audio output (RCA) to DVR, IP Camera, etc.
  • Adjustable gain potentiometer
  • Low-profile for ease of installation

Verifact® A:

  • Omni-directional, within 30′ diameter circle
  • Durable, high impact ABS housing
  • Can be placed up to 1000′ away from the base station

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Product Details

Box Contents
Verifact A, IF-1, AD-1, Single RCA Cable, 3.5mm Stereo Cable, RCA to 3.5mm Plug (All cable lenghts 6ft.)
Installation Requirements
  • DVR
  • Encoders
  • IP Cameras
Other Info
Adapter Input impedance
17.5 KΩ@ 1kHz
Adapter Output impedance
6 1/8”L x 4 5/8”W x 1 3/8”H
5.5 oz
Microphone Type
Electret Condenser
Microphone Output
Line Level (0 dB 600Ω @ 1 kHZ)
Microphone Dimensions
4"Dia x 1 1⁄2"H
Microphone Weight
3.5 oz
4″ Speaker
Adjustable gain potentiometer
Durable, high impact ABS housing
Durable, powder coated extruded aluminum housing
Four zones audio monitoring system
Line level audio in & out (3.5mm jacks)
Line level audio output (RCA) to DVR, IP Camera, etc.
Low-profile for ease of installation
May be deployed up to 1000’ from the Louroe base station
May be located up to 1000′ from the Louroe microphone
Omni-directional within 30’ diameter circle
Single zone Power over Ethernet (PoE) extractor
Single zone audio monitoring system
Two zone audio monitoring system
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