Shure MX393/O Microflex Omnidirectional Boundary Microphone

Shure MX393/O Microflex Omnidirectional Boundary Microphone

Shure MX393/O Microflex Omnidirectional Boundary Microphone

B&H # SHMX393O MFR # MX393/O
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Shure MX393/O Microflex Omnidirectional Boundary Microphone

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Shure MX393 overview

  • 1Description

The MX393 from Shure is a surface-mounted, electret condenser microphone. It is designed to be mounted on conference tables, stage floors, and lecterns. Its high sensitivity and wide frequency range makes it especially suitable for picking up speech and vocals in sound reinforcement and recording applications. Interchangeable cartridges provide the installer with greater flexibility and make it possible to easily reconfigure microphone coverage as the need arises. A removable microphone cable and an internal preamplifier are included.

MX393 series microphones take advantage of the principle that, at a barrier or boundary, the sound pressure level doubles. When placed near a sufficiently large boundary surface, the microphone has 6 dB higher sensitivity and approximately 3 dB greater direct-to-reverberant sound ratio.

Flat frequency response across the vocal range for uncolored sound
Interchangeable cartridges that provide a choice of polar pattern for each application
Sleek, low-profile design for surface mounting
Balanced, transformerless output for increased immunity to noise
Programmable mute button
LED indicator
Logic input/output for remote control or use with automatic mixers
RF filtering
UPC: 042406051361
In the Box
Shure MX393/O Microflex Omnidirectional Boundary Microphone
  • Paint Mask
  • Switch Paint Mask
  • 5 x Rubber Pads with Adhesive
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Shure MX393 specs

    Analog Performance
    Transducer Electret Condenser
    Polar Pattern Omnidirectional
    Frequency Range 50 Hz to 17 kHz
    Signal to Noise Ratio 80 dB 
    Equivalent Noise Level 15 dB A-Weighted
    Maximum SPL 111 dB SPL
    THD 1%
    Impedance 180 Ohms
    Sensitivity -22 dB
    Dynamic Range 96 dB
    General
    Output Connectors 1 x 3-Pin XLR
    Operating Current Consumption 2 mA
    Operating Voltage 11 to 52 V
    Operating Temperature 0 to 135°F / -17.78 to 57.22°C
    Operating Humidity 0 to 95%
    Storage Temperature -20 to 165°F / -28 to 73.89°C
    Length 4.264" / 108.31 mm
    Weight 0.38 lbs / 172 g
    Packaging Info
    Package Weight 1.5 lb
    Box Dimensions (LxWxH) 10.0 x 4.6 x 3.0"

    Shure MX393 reviews

    MX393/O Microflex Omnidirectional Boundary Microphone is rated 4.7 out of 5 by 9.
    Rated 5 out of 5 by from Simple, rugged, sounds great I'm using this microphone with a portable digital recorder, and the combo is great. This mic is typical of Shure products; it's rugged and sounds great. This model is the omnidirectional version - I also have a couple MX393/C which have a cardioid pattern.
    Date published: 2014-11-12
    Rated 5 out of 5 by from All the Way Around Great Sound I use this microphone when I am shooting more then two on screen talents. It eliminates the need to mic each person individually and from having to precisely position a boom mic. I have used this mic to record 3 and four people sitting around a table and was very happy with the quality of the sound. Obviously, the person closest to the mic sounds the best but the quality of the people the furthest from the mic was very good with very minimal fall off. I would highly recommend this mic.
    Date published: 2011-01-02
    Rated 4 out of 5 by from A Good Mike I am not an expert on mikes, but we decided to spend a bit more on a mike for the altar at our church. The mike seems to work quite well as expected. The only thing that was disappointing is what I had understood was an on/off switch. It is not really a switch at all. It is more like a mute button that has its effect ONLY if you are holding it down.
    Date published: 2009-11-02
    Rated 5 out of 5 by from Works like a charm We use two of these in a conference room with a video conferencing system. They are placed at two points on the conference table and pick up all conversations no matter which direction the participant is talking.
    Date published: 2014-10-21
    Rated 4 out of 5 by from Great in a pinch. I've given this mic 4 out of 5 stars because of course you'd want a dedicated mic for anything truly important, and this omni-directional mic is not, by nature, a dedicated mic. But it works great for groups of people when there are not enough mics to go around. I use it for depositions and conference style recording and it works great.
    Date published: 2011-01-05
    Rated 4 out of 5 by from Does a good job Used to record government meetings. Sound quality and pick-up depends on the room, but these are unobtrusive and work better than the gooseneck mics with a cardioid pattern we were using. One caveat - needs phantom power source (48V)
    Date published: 2012-04-20
    Rated 5 out of 5 by from Works great We use the mic in a room with about 30 other same mics for an interactive college classroom.
    Date published: 2011-04-04
    Rated 5 out of 5 by from Always works I use this for video and audio. it's always clear voice and I highly recommend
    Date published: 2016-05-10
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