Complete single zone audio surveillance system. Can be used independently for monitoring live audio or with tape recorders or DVRs for recording and playback.

Kit Includes

SM1 Pre-amplified microphone.

SM1 Mounting screws

SM3 Amplifier

12 VDC AC adapter.

3’ Dual RCA Patch cable.

Warning label.

Options

RM1, RM2, RM3 18” Rack mounts.

Wiring Requirements

Stranded 22-gauge, 2-conductor

shielded cable with drain wire.

Max. cable length: 1500’

SM1 Microphone Specifications

Omni-directional Electret element.

 25’ range in all directions.

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.

See SM1 data sheet for more information.

SM3 Amplifier Specifications

Standard RCA jacks for connection to tape

recorders, DVRs, etc.

3 position Euro-style connector makes

cable termination fast and clean.

1 Watt Power amplifier.

3” full range speaker.

Tape monitor switch.

3.5mm Headphone jack.

Power: 12 VDC @ 250mA.

Reverse polarity protected and fused.

Dimensions L 5.4 x W 4.1 x H 1.5

See SM3 data sheet for more information.