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The Shure MX392 MicroflexÂ™ Wired Boundary Microphone from Shure is equipped with features like programmable, silent membrane switches, logic inputs and outputs, and green LED indicators. It is a high-quality solution for a range of applications such as altars, boardrooms and distance learning centers. Includes LED logic input/switch logic output terminals, screw terminal connections, and attached unterminated cable.
Shure MX392 Microflex Microphone Features
All measurements taken with microphone mounted on a wooden surface 76.2 cm x 76.2 cm (30 in. x 30 in.).
50 to 17,000 Hz
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
Common Mode Rejection
45 dB minimum, 10 Hz to 100 kHz
50 dB minimum
Preamplifier Output Clipping Level
-6 dBV (0.5 V)
Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output connector.
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).
11 to 52 Vdc phantom
2.0 mA current consumption
Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F)
Relative Humidity: 0 to 95%
Warranty: See manufacturer website for details
Listing ID: NA21757