Microphones - Surveillance
Microphones
Caution
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX 505-888-3926
Website: www.etsnm.com
It is the responsibility of the installation company and end
user to comply with state and federal privacy laws
regarding the use of audio surveillance equipment. If you
are unfamiliar with these laws, consult a qualified
attorney. In most cases, posting the provided warning
label in plain view is all that is required.
SM1 Omni-directional Microphone
Standard omni-directional microphone. 25’
range in all directions. Selectable on/off
treble boost circuit enhances time-lapse
recordings. Available in white only. Flush or
surface mountable.
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Low noise MOSFET pre-amplifier.
Adjustable gain.
Line level unbalanced output.
Limiter circuit selectable on/off.
Easy cable run termination.
Power: 12VDC @ 10mA.
SM1-SS Omni-Directional Microphone
Standard omni-directional microphone
mounted on a stainless steel plate. 25’ range
in all directions. Selectable on/off treble boost
circuit enhances time-lapse recordings Flush
or surface mountable.
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SM1-U Unidirectional Microphone
Uni-directional microphone for use where background noise must be reduced. Simply mount
the SM1-U in the direction of interest.
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Highly reduced sensitivity on all sides.
Similar in appearance to a fire suppression
sprinkler head.
Excellent ambient noise rejection.
Low noise MOSFET pre-amplifiers.
Line level unbalanced output.
Limiter and TB circuits selectable on/off.
Easy cable run termination.
Power: 12VDC @ 10mA.
Low noise MOSFET pre-amplifier.
Adjustable gain.
Line level unbalanced output.
Limiter and TB circuits selectable on/off.
Easy cable run termination.
Power: 12VDC @ 10mA.
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