Shure MX391/O Microflex Omnidirectional Surface Mount Microphone (Black)

Shure MX391/O Microflex Omnidirectional Surface Mount Microphone (Black)

Shure MX391/O Microflex Omnidirectional Surface Mount Microphone (Black)

B&H # SHMX391O MFR # MX391/O
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Shure MX391/O Microflex Omnidirectional Surface Mount Microphone (Black)

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Color: Black

Shure MX391/O Microflex Omnidirectional Surface Mount Microphone (Black) Shure MX391W/C Microflex Cardioid Surface Mount Microphone (White)

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Polar Pattern: Omnidirectional

Cardioid

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Shure MX391 overview

  • 1Description

The black MX391 from Shure is a small, 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 make it especially suitable for picking up speech and vocals in sound reinforcement and recording applications.

Flat frequency response across the vocal range for uncolored sound
Interchangeable cartridges provide a choice of polar pattern for each application
Sleek, low-profile design for unobtrusive appearance
Balanced, transformerless output for increased immunity to noise over long cable runs
RF filtering
UPC: 042406051514
In the Box
Shure MX391/O Microflex Omnidirectional Surface Mount Microphone (Black)
  • Zipper Bag
  • 12' In-Line Preamplifier
  • Hex Wrench
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Shure MX391 specs

    Analog Performance
    Transducer Electret Condenser
    Polar Pattern Omnidirectional
    Frequency Range 50 Hz to 17 kHz
    Signal to Noise Ratio 79.5 dB 
    Equivalent Noise Level 14.5 dB A-Weighted
    Maximum SPL 110.7 dB SPL
    THD 1%
    Impedance 150 Ohms
    Sensitivity 81.4 mV/Pa
    Dynamic Range 96.2 dB
    General
    Output Connectors 1 x 3-Pin XLR
    Cable Length 12'; / 3.7 m
    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 3.126" / 7.94 cm
    Packaging Info
    Package Weight 1.1 lb
    Box Dimensions (LxWxH) 9.9 x 4.8 x 3.0"

    Shure MX391 reviews

    MX391/O Microflex Omnidirectional Surface Mount Microphone (Black) is rated 4.6 out of 5 by 5.
    Rated 5 out of 5 by from Worked better than I expected Used this mic for video taping a group discussion. The mic picked up all participants perfectly. Sound quality was excellent. The fall off range is about 6 feet but still usable from longer distances.
    Date published: 2008-05-23
    Rated 4 out of 5 by from Good Mics 4 1/2 stars. These mics perform as you'd expect. I use two of them to record audio on typical conference room tables. Used with both Mackie 402 mixer and a Sound Devices 302. Excellent results with both. Obviously the further away someone is from this mic, the more room sound you get. With 2 of these mics I've recorded 12 people around a conference room table very good results. Fairly good price on them as well. Overall, very good value.
    Date published: 2014-01-23
    Rated 5 out of 5 by from Perfect for focus group recordings! Worked perfectly for focus group interviews with about 12 participants spread throughout the room. Extra long cord allows you to place mic where you need it, while small size is very unobtrusive. Would buy again.
    Date published: 2010-07-28
    Rated 5 out of 5 by from PICS UP EVERYTHING! awesome piece of equipment! . great microphone.. picks up great quality audio from across the room.
    Date published: 2014-06-03
    Rated 4 out of 5 by from Good Mic Easy to install, works well.
    Date published: 2011-03-15
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