ETS SMI-5 (SMI-7) 4 SM1 Microphones, SMI-4 Interface Box

The SMI-5 (SMI-7) from ETS is 4 zone audio surveillance kit designed to connect to audio recorders, CCTV monitors (with built in speakers), video recorders, DVRs, remote monitoring equipment, etc.

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

SMI4 Interface Adapter Specifications

• RCA or 3.5mm jacks for connection to DVRs, Remote monitoring equipment, etc.
• Euro-style connectors makes cable terminations fast and clean
• LED power indicator
• Power:12 VDC @ 40mA
• Reverse polarity protected and fused