Shure MX392/S Microflex Condenser Boundary Microphone (Supercardioid) - Wired Cable - No Connector


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Dale #:SHUR-MX392S

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  • 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


    • 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)
  • Frequency Response50 to 17,000 Hz
    Polar PatternSupercardioid (MX392/S, MX393/S)
    Output ImpedanceEIA Rated at 150 ohms (180 ohms actual)
    Sensitivity (at 1 kHz, open circuit voltage)Supercardioid Cartridge: –26.5 dBV/Pa (47.3 mV)
    Maximum Sound Pressure Level (1 kHz at 1% Total Harmonic Distortion, 1 k ohm load)Supercardioid: 116.0 dB
    Signal to Noise Ratio (referenced at 94 dB SPL)Supercardioid: 72.0 dB
    Equivalent Output Noise (A-weighted)Supercardioid: 22.0 dB
    Dynamic Range94.0 dB
    Common Mode Rejection45 dB minimum, 10 Hz to 100 kHz
    Switch Attenuation50 dB minimum
    Preamplifier Output Clipping Level-6 dBV (0.5 V)
    PolarityPositive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output connector.
    Logic Connections (MX392 Only)LED IN: Active low (<1.0v), TTL compatible. Absolute maximum voltage: -0.7V to 50V.
    SWITCH OUT: Active low (<0.5V), sinks up to 20mA, TTL compatible. Absolute maximum voltage: -0.7V to 24V (up to 50V through 3 k ohms).
    Power Requirements11 to 52 Vdc phantom
    2.0 mA current consumption
    Environmental RequirementsOperating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F)
    Relative Humidity: 0 to 95%
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