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MX391, MX392, and MX393 Microflex Boundary

With slim design and superior audio reproduction, the Microflex MX391, MX392 and MX393 Boundary microphones are the ideal conference room solution. Features include programmable, silent membrane switches, interchangeable cartridges, logic inputs and outputs, and LED indicators – Microflex Boundary microphones provide high-quality sound for a wide range of applications.

Best suited to: Speech

Condenser Supercardioid Omnidirectional Cardioid

There's never been smarter boundary microphones than the Microflex models from Shure. With many models to choose from, equipped with features like programmable, silent membrane switches, logic inputs and outputs, and LED indicators, Microflex Boundary microphones are the high-quality solution for a range of applications, such as altars, boardrooms and distance learning centers. Every Microflex Boundary microphone features one of the new interchangeable condenser cartridges. Available in cardioid, supercardioid and omnidirectional polar patterns, the Microflex cartridges give you superior Shure quality sound options for every installation. In addition, their programmable switches offer the flexibility to be set for Push to Talk, Push to Mute or Push On/Push Off modes. Attractively designed with a low profile, professional appearance, the Microflex Boundary microphones come with an easy to use paint mask for your custom-color installations.

Models
MX391/C (Cardioid), MX391/S (Supercardioid), MX391/O (Omnidirectional) Miniature Black Condenser Boundary Microphone, In-Line Preamp, 12 foot (4 metre) Attached Cable to 4-Pin Mini Connector
MX391LP/C (Cardioid), MX391LP/S (Supercardioid), MX391LP/O (Omnidirectional) Miniature Black Condenser Boundary Microphone (Wireless Compatible), 12 foot (4 metre) Attached Cable to 4-Pin Mini Connector Less Preamplifier
MX391WLP/C (Cardioid), MX391WLP/S (Supercardioid), MX391WLP/O (Omnidirectional) Miniature White Condenser (Wireless Compatible) Boundary Microphone, 12 foot Attached Cable to 4-Pin Mini Connector, Less Preamplifier
MX391W/C (Cardioid), MX391W/S (Supercardioid), MX391W/O (Omnidirectional) Miniature White Condenser Boundary Microphone, 12 foot (4 metre) Attached Cable to 4-Pin Mini Connector, In-Line Preamplifier
MX392/C (Cardioid), MX392/S (Supercardioid), MX392/O (Omnidirectional) Condenser Boundary Microphone, Built-in Preamp, Attached 12 foot (4 metre) Unterminated Cable, Logic Functions, Programmable Switch and LED Indicator
MX393/C (Cardioid), MX393/S (Supercardioid), MX393/O (Omnidirectional)

Condenser Boundary Microphone, Built-in Preamp, 12 foot (4 metre) 3-Pin Mini Connector (TA3F) to male XLR, Programmable Switch and LED Indicator

Features
  • Cardioid, supercardioid and omnidirectional polar patterns
  • Select models available in black or white
  • Programmable, silent membrane switch
  • TTL Logic LED input and TTL Logic switch ouput (MX392 only)
  • LED indicator (MX392, MX393)
 

  • Technical Data

    Transducer Type Condenser
    Polar Pattern Supercardioid, Omnidirectional, Cardioid
    Frequency Response 50 Hz – 17 KHz
    Sensitivity (dBV/Pa) Half-Cardioid -29.6 dBV/Pa; Half-Omnidirectional: -21.5 dBV/Pa; Half-Supercardioid -28.3 dBV/Pa
    Sensitivity (mV/Pa) Half-Cardioid 33.5 mV; Half-Omnidirectional: 81.4 mV; Half-Supercardioid 28.3 mV/Pa
    Equivalent Selfnoise Half-Cardioid: 22.6 dB(A)
    Half-Supercardioid: 21.3 dB(A)
    Half-Omnidirectional: 14.5 dB(A)
    Sound Pressure Half-Cardioid: 118.8 dB
    Half-Supercardioid: 117.5 dB
    Half-Omnidirectional: 110.7 dB
       

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