The SMI-3 from ETS is a 2 SM1 Microphones, SMI-2 Interface Box. 2 zone audio surveillance kit designed to connect to audio recorders, CCTV monitors (with built in speakers), video recorders, DVRs, remote monitoring equipment, etc.
Features
- SM1 Microphone
- 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 circuits, selectable on/off
- Flush mountable, can be mounted on a single gang electrical box
- Power: 12 VDC @ 10mA
- SMI16 Interface Adapter
- RCA or 3.5mm jacks for connection to DVRs, Remote monitoring equipment
- Euro-style connectors makes cable terminations fast and clean
- LED power indicator
- Power:12 VDC @ 20mA
- Reverse polarity protected and fused
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