SM1-SD Covert smoke detector style, omnidirectional microphone


Product Description

High performance, Omni-directional, pre-amplified microphone for fixed location security applications. Covert housing designed to appear exactly like a modern smoke detector. 25’ pickup pattern in all directions. Built in limiter circuit automatically lowers the output level during loud sound intervals. Selectable lo-cut and hi-cut filters significantly reduce background noise. Ivory ABS enclosure Mounts on any flat surface.

SM1-SD Specifications

  • Omni-directional 25′ pickup pattern
  • Low noise MOSFET pre-amplifier
  • 500Hz-13Khz Frequency response
  • Jumper selectable hi-cut/lo-cut filters limit frequency response to up to 900 to 6Khz significantly reducing background noise
  • Jumper selectable volume range: “Line level” (0db) or “Microphone level” (-30db)
  • Adjustable gain in both volume ranges
  • Peak Limiter: .5sec response time
  • 100 Ohm unbalanced output
  • 3 position Euro-style connector makes cable termination fast and clean
  • Power: 12 to 24VDC @ 10mA
  • On-board voltage regulator and RFI filtering
  • Industrial temperature range: -40C to 105C
  • vory ABS enclosure Mounts on any flat surface
  • Dimensions: Dia. 4.00 x H1.80
  • Weight: 0.09lbs