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ETS Zone Microphone Audio Surveillance Kit - 2 Zone

$122.55
Available Options
Part #: SMI-3
Vendor: ETS
SKU: ETS-SMI-3
Barcode: SMI-3
ETS Zone Microphone Audio Surveillance Kit with 2 white microphones, green circuit board, power adapter, and warning label
ETS Zone Microphone Audio Surveillance Kit - 2 Zone
$122.55

The ETS SMI-3 2 Zone Microphone Audio Surveillance Kit is a 2 zone audio surveillance system designed to connect directly to an audio recorder, video recorder, DVR, CCTV monitor (with a built in speaker), or remote monitoring equipment.

The ETS SMI-3 2 Zone Microphone Audio Surveillance Kit Includes: 2 SM1 Pre-amplified microphones, SMI-2 Interface adapter, SM1 mounting screws, 12 VDC AC adapter, 2 3? RCA Patch cables, 2 ETS warning labels, and installation instructions..

Wiring Requirements: Stranded 22-gauge, 2-conductor shielded cable with drain wire

Maximum Cable Length: 1500 feet

Includes: (1) SMI-3 2 Zone Microphone Audio Surveillance Kit


SM1 Microphone Specifications:



  • Omni-directional Electret element

  • 25’ range in all directions

  • Frequency response: 200-16Khz

  • Low noise MOSFET pre-amplifier

  • Line level, unbalanced output

  • Adjustable gain

  • Treble boost circuit. Selectable on/off

  • Enhances clarity of time lapse recordings

  • Limiter circuit - Selectable on/off

  • 3 position Euro-style connector makes cable termination fast and clean

  • Flush mountable. Can be mounted on a single gang electrical box 

  • Power: 12 VDC @ 10mA


SMI-2 Interface Adapter Specifications:



  • RCA or jacks for connection to DVRs, Remote monitoring equipment, etc.

  • Euro-style connectors make cable terminations fast and clean

  • LED power indicator

  • Power: 12 VDC @ 20mA

  • Reverse polarity protected and fused

  • Dimensions: L 3.3 x W 2.0 x H 1.6  


Part#: SMI-3

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