ETS manufactures many styles of pre-amplified microphones. All Sound Surveillance tm
microphones are electret style, Line level output. They include limiter circuitry, treble boost
circuitry, RFI immunity circuitry, on-board voltage regulation, and a low noise MOSFET
pre-amplifier. We currently offer the following: SM1, SM1-LE, SM1-U, SM1-ULE, SM1-SS,
SM1-D SM1-TR, SM1-W,  SM1-WP, SM1-WPW, SM1-WBM, SM1-C, SM1-D, SM1-T, STW1,
STW1-SE, STW1-W4, STW1-W6, CSM8-SMA1, HSM11-SMA1.
 

   Go to ETS Main Page

  
Go to Audio Surveillance
     
Audio Products Main Page

 


 

 

ETS
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123

Phone: 505-888-3923
Fax: 505-888-3926

Toll Free: 866-700-3923

E-mail:  sales1@etsnm.com

 

 

Made in U.S.A.    

 

Note- all ETS microphones are optimized for the voice band by trimming the preamplifier's high and low frequency response to
200Hz-16Khz. The result is higher
intelligibility of the sound source and lower
levels of background noise.

 

Applications for our audio surveillance products include: remote monitoring, asset protection, theft prevention, national security, homeland security, casino soft count rooms, booking rooms, interrogation rooms, prisons, sleep disorder centers, therapy labs, convenience stores, fast food restaurants, nanny cams, conference rooms, zoos, parking structures, elevators, stairwells, industrial process monitoring, etc. Anywhere CCTV cameras are installed, ETS products can typically be installed.

 

 

 

Caution

It is the responsibility of the installation company and end user to install this audio surveillance equipment in compliance with state and federal privacy laws. If you are unfamiliar with these laws, consult a qualified attorney.

All ETS audio surveillance products contain warning labels that are to be posted at the installation site when required by law (this is generally all that is required). Upon request, ETS will supply additional labels free of charge.

 

Sound Surveillance tm   Audio Security / Monitoring      Microphones and Microphone / speakers
 

Omni-directional microphones

   SM1
   SM1-LE

Uni-directional microphones

   SM1-U
   SM1-ULE

Stainless Steel Omni-directional
microphones.

   SM1-SS
   SM1-TR (vandal resistant)

Weather resistant / proof
Omni-directional microphones.

   SM1-W
   SM1-WP
   SM1-WPW New

Weather proof bullet microphone

    SM1-WBM

 

 


Covert (remote element) microphone

   SM1-C

Table top microphone

   SM1-T

Stainless Steel listen / talk-back
Microphone / speakers

   STW1
   STW1-SE

Indoor listen / talk-back  wall mount
Microphone / speakers

   STW1-W4 New
   STW1-W5 New

Ceiling listen / talk-back
Microphone / speakers

   CSM8 New

Outdoor listen / talk-back horn
Microphone / speakers

    HSM11 New


SM1  Flush Mount,
Omni-directional Microphone

High performance, Omni-directional,
pre-amplified microphone for fixed
location security applications. 25’
pickup pattern in all directions. Built
in limiter circuit automatically lowers
the output level during loud sound
intervals. Flexible plastic plate
mounts flush or on a single gang
electrical box.

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.
 

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • 200Hz-16Khz Frequency
    response.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter circuit selectable on/off.
  • Treble boost selectable on/off.
  • 3 position Euro-style connector
    makes cable termination fast
    and clean.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Flexible plastic plate mounts
    flush or on a single gang
    electrical box.
  • Dimensions: L 4.7” x W 2.9”
    H 0.9”


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SM1-LE  Surface Mount,
Omni-directional Microphone

High performance, Omni-directional,
pre-amplified microphone for fixed
location security applications. 25’
pickup pattern in all directions. Built
in limiter circuit automatically lowers
the output level during loud sound
intervals. ABS enclosure Mounts on
any flat surface.

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.
 

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • 200Hz-16Khz Frequency response.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter circuit selectable on/off.
  • Treble boost selectable on/off.
  • 3 position Euro-style connector
    makes cable termination fast
    and clean.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and RFI filtering.
  • ABS enclosure mounts on any surface.
  • Dimensions: L 5.1” W 2.7”
    H 1.4”


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SM1-U  Flush Mount
Unidirectional Microphone

High performance, Unidirectional
pre-amplified microphone for use
where back- ground noise must be
reduced. Simply mount the SM1-U
in the direction of interest. Built in
limiter circuit automatically lowers
the output level during loud sound
intervals. Flexible plastic plate
mounts flush or on a single gang
electrical box.

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.
 

  • Uni-directional 25' pickup
    pattern with reduced (-20db)
    sensitivity on all sides.
  • Unique dual electret pickup and
    differential amplifier results in
    astonishing ambient
    (background) noise rejection.
  • Low noise MOSFET
    pre-amplifiers.
  • 200Hz-16Khz Frequency
    response.
  • Similar in appearance to a fire
    suppression sprinkler head.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter selectable on/off.
  • Treble boost selectable on/off.
  • 3 position Euro-style connector
    makes cable termination fast
    and clean.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Flexible plastic plate mounts
    flush or on a single gang
    electrical box.
  • Dimensions: L 4.7” x W 2.9”
    H 1.9”


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SM1-ULE  Surface Mount
Unidirectional Microphone

High performance, Unidirectional
pre-amplified microphone for use
where back- ground noise must be
reduced. Simply mount the SM1-U
in the direction of interest. Built in
limiter circuit automatically lowers
the output level during loud sound
intervals. ABS enclosure Mounts on
any flat surface.

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.
 

  • Uni-directional 25' pickup
    pattern with reduced (-20db)
    sensitivity on all sides.
  • Unique dual electret pickup and
    differential amplifier results in
    astonishing ambient
    (background) noise rejection.
  • Low noise MOSFET
    pre-amplifiers.
  • 200Hz-16Khz Frequency
    response.
  • Similar in appearance to a fire
    suppression sprinkler head.
  • Adjustable gain.
  • Line level unbalanced output.
  • Limiter selectable on/off.
  • Treble boost selectable on/off.
  • 3 position Euro-style connector
    makes cable termination fast
    and clean.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator
  • ABS enclosure Mounts on any
    surface.
  • Dimensions: L 5.1” W 2.7”
    H 2.3”


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SM1-SS  Stainless Steel, Flush
Mount Omni-directional
Microphone

High performance, Omni-directional
pre-amplified microphone mounted
on a stainless steel single gang
plate. 25’ range in all directions.
Built in limiter circuit automatically
lowers the output level during loud
sound intervals.
 Stainless steel
plate mounts flush or on a single
gang electrical box.

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.
 

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency response.
  • Line level unbalanced output.
  • Limiter circuit selectable on/off.
  • Treble boost selectable on/off.
  • 3 position Euro-style connector
    makes cable termination fast
    and clean.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Stainless steel plate mounts
    flush or on a single gang
    electrical box.
  • Dimensions: L 4.5” W 2.7”
    H 1.0”


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SM1-TR Stainless Steel, Flush
Mount, Tamper Resistant
Omni-directional Microphone

High performance, Omni-directional
pre-amplified microphone for use in
applications where vandalism is of
concern. Electret element is
mounted in a special housing which
is out of reach to objects inserted
into the sound holes.
Built in limiter
circuit automatically lowers the
output level during loud sound
intervals.
 Stainless steel plate
mounts flush or on a single gang
electrical box.

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.
 

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency response.
  • Line level unbalanced output.
  • Limiter circuit selectable on/off.
  • Treble boost selectable on/off.
  • 3 position Euro-style connector
    makes cable termination fast
    and clean.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Stainless steel plate mounts
    flush or on a single gang
    electrical box.
  • Dimensions: L 4.5” W 2.7”
    H 1.1”


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SM1-W  Weather Resistant
Microphone

Weather resistant, high
performance, omni-directional pre-
amplified microphone. For use in
outdoor applications and can
withstand exposure to various
weather conditions. Built in limiter
circuit automatically lowers the
output level during loud sound
intervals. Includes a removable .5
inch wind screen inserted into a
directing tube. Cast Aluminum plate
mounts
on any flat surface or on a
single gang “bell box”, gasket
included.

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.
 

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency
    response.
  • Line level unbalanced
    output.
  • Limiter selectable on/off.
  • Treble boost selectable on/off.
  • Directing tube with removable
    .5 inch windscreen.
  • 3 position Euro-style connector
    makes cable termination fast
    and clean.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • .5 inch removable windscreen.
  • Cast Aluminum plate
    mounts
    on any flat surface or on
    a single gang “bell box”, gasket
    included.
  • Dimensions: L 4.6” W 2.8”
    H 2.3”


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SM1-WP  Weather Proof, Harsh
Environment, Omni-directional
Microphone

Weather proof microphone for
hostile environments such as
outdoor applications, on board
ships, rooms that are washed down
daily, etc.
high performance, durable
electret element can withstand direct
exposure to high pressure water and
even submersion without affecting
operation.
Cast Aluminum plate
mounts
on any flat surface or on a
single gang “bell box”, gasket
included.

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.
 

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency
    response.
  • Potted internal electronics. Ideal for high vibration and
    harsh environments.
  • Pigtail connections insure
    water cannot get into the
    electronics.
  • Corrosion resistant element.
  • Line level unbalanced
    output.
  • Flying leads termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Cast Aluminum plate
    mounts
    on any flat surface or on
    a single gang “bell box”, gasket
    included.
  • Dimensions: L 4.6” W 2.8”
    H 1.1”


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SM1-WPW  Weather Proof, Harsh
Environment, Omni-directional
Microphone with windscreen

Weather proof microphone for
hostile environments such as
outdoor applications, on board
ships, rooms that are washed down
daily, etc.
high performance, durable
electret element can withstand direct
exposure to high pressure water and
even submersion without affecting
operation. Includes a removable .5
inch wind screen inserted into a
directing tube.
Cast Aluminum
plate mounts
on any flat surface or
on a single gang “bell box”, gasket
included.

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.
 

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency
    response.
  • Potted internal electronics.
    Ideal for high vibration and
    harsh environments.
  • Pigtail connections insure
    water cannot get into the
    electronics.
  • Corrosion resistant element.
  • Directing tube with removable
    .5 inch windscreen.
  • Line level unbalanced
    output.
  • Flying leads termination.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • .5 inch removable windscreen.
  • Cast Aluminum plate
    mounts
    on any flat surface or on
    a single gang “bell box”, gasket
    included.
  • Dimensions: L 4.6” W 2.8”
    H 2.3”


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SM1-WBM  Weather Proof Bullet
Microphone with windscreen

The SM1-WBM microphone is a
high performance, military grade,
weather proof, omni-directional,
bullet-style microphone for outdoor
applications. This microphone
contains a microprocessor based
automatic level control system. The
system expands dynamic range
without sacrificing sensitivity.

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.
 

  • Omni-directional 25' pickup
    pattern.
    environmentally sealed,
    electret condenser element.
  • Low noise, MOSFET
    pre-amplifier.
  • 200Hz-16Khz Frequency
    response.
  • Mil spec, environmentally
    sealed connectors
  • Potted internal electronics.
    Ideal for high vibration and
    harsh environments.
  • Microprocessor based, automatic output level control.
  • On-board voltage regulator and
    RFI filtering.
  • -40 to 185C temperature
    operating range.
  • .5 inch removable windscreen.
  • Dimensions: L 4.9” (w/o
    connector) Dia. 1.0”


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SM1-C  Remote Element
Microphone

High performance, omni-directional
pre-amplified microphone for use in
covert applications or to shorten the
distance between the subject and
microphone (hang microphone from
ceiling). Built in limiter circuit
automatically lowers the output level
during loud sound intervals.
Grey
ABS enclosure mounts on any
surface.

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.
 

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • 3 foot microphone cord.
  • Adjustable gain.
  • 200Hz-16Khz Frequency
    response.
  • Line level unbalanced output.
  • Limiter selectable on/off.
  • Treble boost selectable on/off.
  • 3 position Euro-style connector
    makes cable termination fast
    and clean.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Dimensions: L 3.7” W 2.4”
    H 1.0”


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SM1-T  Conference Table
Microphone


The SM1-T is a high performance,
omni-directional microphone
designed to sit on a table top. Built
in limiter circuit automatically lowers
the output level during loud sound
intervals.
Built in weight and 4
rubber feet help minimize unwanted
movement of the microphone. Black
ABS enclosure sits on any surface.

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.
 

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency
    response.
  • Line level unbalanced output.
  • Limiter selectable on/off.
  • Treble boost selectable on/off.
  • 3 position Euro-style connector
    makes cable termination fast
    and clean.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Dimensions: L 3.7” W 2.6”
    H 1.4”


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STW1  Two Way Microphone /
Speaker

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. Stainless
steel plate mounts flush or on a
double gang electrical box.

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.
 

Euro-style connectors
makes cable terminations fast
and clean.

Microphone

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency
    response.
  • Line level unbalanced output.
  • Limiter selectable on/off.
  • Treble boost selectable on/off.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Euro-style connector
    makes cable termination fast
    and clean.

Speaker

  • 3” speaker.
  • line level (0dbm) or 70v line
    selectable signal input.
  • Adjustable volume.
  • 500Hz-5Khz frequency
    response.
  • 2 Watts RMS power amplifier
  • Power: 12VDC @ 250mA.
  • On-board voltage regulator.
  • Dimensions: L 4.6” W 4.5”
    H 1.9”

Optional call switch, not shown in
picture.



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STW1-SE  Two Way Microphone /
Speaker

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. Suitable for both indoor
and outdoor applications. Optional
call switch (shown) for paging
listener. Includes Stainless steel
cover, box and weather hood.

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.

Euro-style connectors
makes cable terminations fast
and clean.

Microphone

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre- amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency
    response.
  • Line level unbalanced output.
  • Limiter selectable on/off.
  • Treble boost selectable on/off.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.

Speaker

  • 2.25” speaker.
  • line level (0dbm) or 70v line
    selectable signal input.
  • Adjustable volume.
  • 500Hz-5Khz frequency
    response.
  • 2 Watts RMS power amplifier
  • Power: 12VDC @ 250mA.
  • On-board voltage regulator.
  • Dimensions: L 6.5” x W 4.6”
    H 3.1”

Optional vandal-proof call switch
shown in picture



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STW1-W4  Two Way Microphone /
Speaker

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. Surface
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.
 

Euro-style connectors
makes cable terminations fast
and clean.

Microphone

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency
    response.
  • Line level unbalanced output.
  • Limiter selectable on/off.
  • Treble boost selectable on/off.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Euro-style connector
    makes cable termination fast
    and clean.

Speaker

  • 4” surface mount speaker.
  • line level (0dbm) or 70v line
    selectable signal input.
  • Adjustable volume.
  • 400Hz-8Khz frequency
    response.
  • 2 Watts RMS power amplifier
  • Power: 12VDC @ 250mA.
  • On-board voltage regulator.
  • Dimensions: L 4.6” W 4.5”
    H 1.9”

Optional call switch, not shown in
picture.


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STW1-W5  Two Way Microphone /
Speaker

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.
 

Euro-style connectors
makes cable terminations fast
and clean.

Microphone

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Adjustable gain.
  • 200Hz-16Khz Frequency
    response.
  • Line level unbalanced output.
  • Limiter selectable on/off.
  • Treble boost selectable on/off.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.
  • Euro-style connector
    makes cable termination fast
    and clean.

Speaker

  • 5” surface mount speaker.
  • line level (0dbm) or 70v line
    selectable signal input.
  • Adjustable volume.
  • 200Hz-10Khz frequency
    response.
  • 2 Watts RMS power amplifier
  • Power: 12VDC @ 250mA.
  • On-board voltage regulator.
  • Dimensions: L 11” W 8”
    H 5”

Optional call switch, not shown in
picture.


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CSM8  Two Way Ceiling
Microphone / Speaker

Omni-directional pre-amplified
microphone and  8 inch speaker for
use in two way public address audio
surveillance systems. 
Connects
directly to our switcher / mixer /
amplifiers or use one of our many
interface products to make
connections to DVRs or remote
monitoring equipment.

Breakout circuit board with Euro-style
connectors makes cable terminations
fast and clean.

Microphone

  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • 200Hz-16Khz Frequency
    response.
  • Line level unbalanced output.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.

Speaker

  • 8” Speaker with 12" metal grill.
  • 70v line audio input
    .5, 1, 3, 5 Watt  jumper
    selectable 70v transformer taps.
  • 200Hz-16Khz frequency
    response.


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HSM11  Two Way Outdoor
7x11 Horn Microphone / Speaker

Weather proof Omni-directional
pre-amplified microphone and  7x11
inch horn speaker for use in two way
public address audio surveillance
systems.
Connects directly to our
switcher / mixer / amplifiers or use
one of our many interface products
to make connections to DVRs or
remote monitoring equipment.


NMEA enclosure / breakout circuit
board with Euro-style connectors
makes cable terminations fast and
clean.

Microphone

  • Weather Proof bullet
    microphone with .5inch
    removable wind screen
  • Omni-directional 25' pickup
    pattern
  • Low noise MOSFET
    pre-amplifier.
  • Microprocessor based
    automatic gain control.
  • 200Hz-16Khz Frequency
    response.
  • Line level unbalanced output.
  • Microprocessor based,
    automatic output level control.
  • Power: 12VDC @ 10mA.
  • On-board voltage regulator and
    RFI filtering.

Speaker

  • 7x11” horn speaker with swivel
    mount.
  • 70v line audio input
    4, 8, 16, 32 Watt  switch
    selectable 70v transformer
    taps.
  • 200Hz-16Khz frequency
    response.

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View detailed data sheet. Requires
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***View Installation Instructions***

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