SM7 Audio Surveillance Kit
Sound Surveillance tm
Audio Surveillance
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX 505-888-3926
Complete 4 zone, manual
switching, audio surveillance
system. Can be used
independently for monitoring live
audio or with tape recorders /
DVRs for recording and
playback. Two modes of
operation: Switcher (select one of
4 zones) or mixer (select any
combination of zones).
SM1 Microphone Specifications
Kit Includes
4 SM1 Pre-amplified microphones.
SM4 Switcher / mixer / amplifier.
12 VDC AC adapter.
3’ Dual RCA Patch cable.
4 Warning labels.
RM1, RM2 Rack mounts.
Wiring Requirements
Stranded 22-gauge, 2-conductor
shielded cable with drain wire.
Max cable length, each mic. 1500’.
SM4 Switcher / Mixer Specifications
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 labels in plain
view is all that is required.
1 year parts and labor.
Made in U.S.A.
Omni-directional element w/25’ range.
Low noise MOSFET preamplifier.
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 mount.
Power: 12 VDC @ 10mA.
See SM1 data sheet for more information.
In/out switches and level controls
for each microphone channel.
Standard RCA jacks for connection to
tape recorders, DVRs, etc.
All settings stored in non-volatile
1 Watt power amplifier & 3” speaker.
Euro-style connectors makes
cable terminations fast and clean.
Tape monitor switch.
3.5mm Headphone jack.
Power: 12 VDC @ 250mA
Dimensions: L 5.5 x W 5.5 x H 1.5
See SM4 data sheet for more
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