4 zone audio surveillance kit designed to connect to audio recorders, CCTV monitors (with built in speakers), video recorders, DVRs, remote monitoring equipment, etc.

Includes

4 SM1 Pre-amplified microphones

SMI4 Interface adapter.

SM1 mounting screws

12 VDC AC adapter.

4 3’ RCA or 3.5mm Patch cables.

4 ETS warning labels

Installation Instructions.

Options

SPECIFY: RCA output connectors OR

3.5mm when ordering.

Wiring Requirements

Stranded 22-gauge, 2-conductor

shielded cable w/drain wire.

Max. cable length per mic. 1500’

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.

Dimensions: L 4.2 x W 2.7 x H 1.6