Shure MX392/O Boundary Omnidirectional Microphone w/ Built-In PreAmp (Black)

Shure MX392/O Boundary Omnidirectional Microphone w/ Built-In PreAmp (Black)
Camcor Item No.	136017391
Mfg. Part No.	MX392/O

Shure MX392/O Microflex® Wired Boundary Omnidirectional microphone from Shure is 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/S: Surface-mount mic; LED logic input/switch logic output terminals, screw terminal connections, attached unterminated cable 12'. Black in color.

Features

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

Specifications

Frequency Response	50 to 17,000 Hz
Polar Pattern	Omnidirectional
Output Impedance	EIA Rated at 150 ohms (180 ohms actual)
Sensitivity (at 1 kHz, open circuit voltage)	Omnidirectional: -22.0 dBV/Pa (79.4 mV) 1 Pascal=94 dB SPL
Maximum Sound Pressure Level (1 kHz at 1% Total Harmonic Distortion, 1 k ohm load)	Omnidirectional: 111.5 dB
Signal to Noise Ratio (referenced at 94 dB SPL)	Omnidirectional: 76.5 dB
Equivalent Output Noise (A-weighted)	Omnidirectional: 17.5 dB SPL
Dynamic Range	94.0 dB
Common Mode Rejection	45 dB minimum, 10 Hz to 100 kHz
Switch Attenuation	50 dB minimum
Preamplifier Output Clipping Level	-6 dBV (0.5 V)
Polarity	Positive 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 Requirements	11 to 52 Vdc phantom 2.0 mA current consumption
Environmental Requirements	Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F) Relative Humidity: 0 to 95%