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Smoke Detector Style Hi-Sensitive Audio Microphone

MSRP Starting Price: R 1,739.00



The E-AUD-SM1SD is an omni-directional pre-amplified microphone for covert surveillance applications.


  • Audio Pickup Range: 7Mtrs Omnidirectional
  • Frequency Response: 500Hz ~13Khz
  • Cut-Filters: Hi-Cut/Low-Cut to Reduce Background Noise (900~6Khz)
  • Amplifier: Low Noise MOSFET
  • Audio Output: Jumper Selectable for Line-Level (0db) or Microphone Output (30dB)
  • Peak Limiter: 5 Sec Response Time
  • Output: 100 Ohm unbalanced output
  • Operating Temp: -40ºC to +105ºC
  • Casing: Ivory ABS Surface Mount
  • Dimensions: 102 (Diam) x 46mm
  • Power: 12~24VDC @ 10Ma

Disguised as a typical smoke detector, the unit features a built-in limiter circuit which automatically lowers the output level during loud sound intervals. Selectable cut-filters also limit background noise. Suitable for ceiling mount, one can connect the unit to the E-AUD-SMEA-1HP accessory when implementing an IP PoE powered surveillance system.

Ordering Information

Item Description Price Qty
E-AUD-SM1SD Smoke Detector Style Hi-Sensitive Audio Microphone R 1,739.00

Optional Accessories

Item Description Price Qty
E-AUD-SMEA-1HP PoE IP Camera Audio Interface R 2,371.00