ASK-4® #304


Audio Monitoring Kits
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For Integrators

The ASK-4® #304 is a four zones audio monitoring system designed ideally for connection to IP cameras or DVRs. Verifact® A microphones can pick up sounds within a 30′ diameter circle. The model IF-4 interface adapter connects to the microphones, supplies power to the microphones and drives audio into the input of the recording device. The four Verifact® A microphones are designed for ceiling mount applications.


  • 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
(4) Verifact A, IF-4, AD-1, (4) Single RCA Cable, (4) RCA to 3.5mm Plugs (All cable lenghts 6ft.)
Installation Requirements
  • DVR
  • Encoders
  • IP Cameras
Other Info
Adapter Input impedance
17.5 KΩ@ 1kHz
Adapter Output impedance
11 1⁄2”L x 4 3⁄4”W x 1 1⁄4”H
12.5 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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