Data Sheet

STW1-W5 Pre-amplified
Microphone and Speaker
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX [phone]
Website: www.etsnm.com
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. Modern
appearance surface mount microphone /
speaker for residential and office
applications where decor considerations
are important.
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.
Includes:
 STW1-W5 microphone / speaker
 Mounting screws.
 Warning label.
 Installation instructions.
Wiring requirements:
2 each, 2 conductor shielded (with drain
wire) 22 gauge stranded. Max cable
length 500’.
Options:
 Call switch option: P/N STW1-W5C
General specifications
 -40C to 105C operating temperature
 Surface mount white ABS plastic enclo-
sure.
 Max 250' cable run
 Euro-style connectors make cable termi-
nations fast and clean.
 Dimensions: L 11” W 8” H 5”
 Weight: .096 lbs
STW1-W5 Microphone Specifications
 Omni-directional 25' pickup pattern
 Low noise MOSFET pre-amplifier.
 Jumper selectable hi-cut/lo-cut filters limit
frequency response to up to 900 to 6Khz
significantly reducing background noise.
 Jumper selectable volume range: "Line
level" (0db) or "Microphone level" (-30db)
 Adjustable gain in both volume ranges.
 Peak limiter: .5s response time
 500Hz-13Khz Frequency response.
 Line level, 100 Ohm unbalanced output.
 Power: 12Vdc @ 10mA.
 On-board voltage regulator and RFI filtering.
STW1-W5 Speaker Specifications
 5” Full range speaker.
 line level (0dbm) or 70v line selectable signal
input.
 Adjustable volume.
 Selectable input impedance: 10K Ohm or 1K
Ohm
 Selectable volume range 0db or -10db.
 500Hz-5Khz frequency response.
 2 Watts RMS power amplifier
 Power: 12VDC @ 250mA.
 On-board voltage regulator.
Warranty 1 year parts and labor. Made in USA
Sound Surveillance
tm