Data Sheet

Speakers
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX [phone]
Website: www.etsnm.com
CS8 Ceiling speaker For use with remote monitoring two-way
audio surveillance systems or public address systems.
• 8" paper speaker cone, 3 Watts RMS max.
• Built in ETS LT870 70v line transformer.
• Easy cable termination.
• Mounting hardware included.
CS4 Ceiling / flush mount speaker For use with remote monitor-
ing two-way audio surveillance systems or public address systems.
• 4" Mylar speaker cone, 3 Watts RMS max.
• Built in ETS LT870 70v line transformer.
• Easy cable termination.
• Mounting hardware included.
WS4 wall / surface mount speaker For use with remote monitor-
ing two-way audio surveillance systems or public address systems.
• 4" Mylar speaker cone, 3 Watts RMS max.
• Built in ETS LT870 70v line transformer.
• Easy cable termination.
• Mounting hardware included.
OS6 Outdoor speaker For use with remote monitoring
two-way audio surveillance systems or public address systems.
• 6" diagonal horn speaker, 3 Watts RMS max.
• Tough, cast aluminum housing.
• Built in tamper switch.
• Built in ETS LT870 70v line transformer.
• Easy cable termination.
HS5 Horn speaker For use with remote monitoring two-way audio
surveillance systems or public address systems.
• 5" horn speaker , 3 Watts RMS max.
• Easy cable termination.
• Built in ETS LT870 70v line transformer
• Easy cable termination.
• Not recommended for outdoor use.
STW1 Two Way Microphone / speaker Omni-directional pre-amplified
microphone and speaker for use in two way surveillance systems.
• Optional call switch (not shown) for paging listener.
• Stainless steel cover. Fits double gang boxes.
• Low noise MOSFET pre-amplifier.
• Line level unbalanced output. Adjustable gain.
• Limiter and treble boost circuits selectable on/off.
• Built in 2.25” speaker 0.5W and ETS LT870 70v line transformer.
• Power: 12VDC @ 10mA. On-board voltage regulator.
• Optional surface mount adapter.