ETS STW1-W4, STW1-W4C Specsheet

Sound Surveillance tm

STW1-W4 Pre-amplified

Microphone and Speaker

Description

Omni-directional pre-amplified
microphone and power amp / speaker for
use in two way surveillance systems.
Can be used in stand alone applications
or with DVRs and remote monitoring
equipment. Optional call switch (not
shown) for paging listener.

mount white plastic enclosure for
residential applications.

Connects directly to our switcher / mixer /
amplifiers or use one of our many
Interface products to make fast and
clean connections to DVRs or remote
monitoring equipment.

Surface

Includes:

• STW1-W4 microphone / speaker

• Mounting screws.

• Warning label.

• Installation instructions.

Wiring requirements:

2 each, 2 conductor shielded (with drain
wire) 22 gauge stranded. Max cable
length 1500’.

Euro-style connectors makes cable
terminations fast and clean.

Options:

• Call switch option: P/N STW1-W4C

STW1-W4 Microphone Specifications

• Omni-directional 25’ pickup pattern.

• Low noise MOSFET pre-amplifier.

• 200Hz-16Khz Frequency response.

Significantly reduces background noise.

• Adjustable gain.

• Line level, unbalanced output.

• Limiter circuit selectable on/off.

• Treble boost selectable on/off.

• Power: 12VDC @ 10mA.

• On-board voltage regulator and RFI filtering.

• Max 1500’ feet cable run.

STW1-W4 Speaker Specifications

• 4” speaker

• 2 Watt power amplifier

• Adjustable volume.

• Selectable 70v input or line level input

• 500Hz-5Khz frequency response

• Power: 12VDC @ 250ma (line level input).

• On board Voltage regulator.

• Dimensions: L 4.6” W 4.5” H 1.9”