MX392 & MX393 Microflex Boundary Microphones

Low profile, professional boundary microphones with interchangeable cartridges. Built-in preamp.

Product Details

MX392 and MX393 Microflex® Wired Boundary Microphones from Shure are equipped with features like programmable, silent membrane switches, logic inputs and outputs, and green LED indicators. The high-quality solution for a range of applications such as altars, boardrooms and distance learning centers, Microflex Boundary microphones feature interchangeable condenser cartridges.

  • MX392: Surface-mount mic; LED logic input/switch logic output terminals, screw terminal connections, attached unterminated cable
  • MX393: Surface-mount mic; miniature three pin connector, 12' XLR cable


  • Flat frequency response across the vocal range for uncolored sound
  • Interchangeable cardioid, supercardioid, and omnidirectional cartridges that provide optimal choice for each application
  • Sleek, low-profile design for unobtrusive appearance
  • Balanced, transformerless output for increased immunity to noise over long cable runs
  • Programmable membrane on/off switch plus LED on/off indicator
  • LED logic input and switch logic output terminals for remote control or use with automatic mixers (MX392 models only)
Form Factor
Model Line

Available Options

MX392/C Cardioid, Black
MX392/S Supercardioid, Black
MX392/O Omnidirectional, Black
MX393/C Cardioid, Black
MX393/S Supercardioid, Black
MX393/O Omnidirectional, Black
Frequency Response Cardioid (MX392/C, MX393/C), Supercardioid (MX392/S, MX393/S), Omnidirectional (MX392/O, MX393/O)
lmpedance EIA Rated at 150 ohms (180 ohms actual)
Output Level -6 dBV (0.5 V)
Phantom power required? 11 to 52 Vdc phantom, 2.0 mA current consumption

Additional specifications are available in the user guide.

  • C129

    C129 Cable for Microflex MX393 Microphone

    Cable with CommShield® Technology, 3-Pin female mini-connector to male XLR, 12-foot (3.6 m), used with MX393 Microflex microphones.

    from $32.00
  • R183

    R183 R183B and R183W Omnidirectional Cartridge

    Omnidirectional cartridge for all Microflex® MX183, MX202, MX391, MX392, MX393, MX405, MX410, MX415, MX412, MX418, and WL183 microphones. White or Black.

    from $39.00
  • R184

    R184 R184B and R184W Supercardioid Cartridges

    Supercardioid cartridge for WL183, WL184, WL185 and all Microflex® MX183, MX202, MX391, MX392, MX393, MX405, MX410, MX415, MX412, and MX418 Microphones. White or Black.

    from $62.00
  • R185

    R185 R185B and R185W Cardioid Cartridges

    Cardioid cartridge for all Microflex® MX185, MX202, MX391, MX392, MX393, MX405, MX410, MX415, MX412, MX418, and WL185 microphones. White or Black.

    from $55.00
  • RK100PK

    RK100PK In-Line Preamplifier

    In-Line Preamplifier for Microflex Microphones. Boosts resistance to Radio Frequency Interference (RFI).

    from $119.00

Software & Downloads


File Language Type File Size
Microflex Microphones Product Brochure English PDF 1.93 mb

CAD Drawings

File Language Type File Size
MX392 MX393 CAD Drawings English ZIP 9.96 kb

Specification Sheets

File Language Type File Size
MX392 MX393 Specification Sheet English PDF 152 kb

User Guides

File Language Type File Size
MX300 Series User Guide English PDF 1.55 mb

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