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Review Summary
Condenser
Supercardioid
50 Hz to 17 kHz
180 ohms actual (rated at 150 ohms)
-28.3 dB (38.5 mV)
117.5 dB (1 kHz at 1% Total Harmonic Distortion, 1 k ohm load)
72.7 dB (referenced at 94 dB SPL)
Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F)
Relative Humidity: 0 to 95%
21.3 dB SPL (A-weighted)
96.2 dB
100 dB at 0 gain
45 dB minimum, 10 Hz to 100 kHz
-6 dBV (0.5 V)
12 dB at 0 gain
Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of the preamplifier XLR output connector
11 to 52 Vdc phantom
2.0 mA current consumption
3.126 x 2.088 x 0.750" (7.940 x 5.304 x 1.905cm)
Microphone: 4.16 oz. (117.9 g)
RK183PK Pre-Amplifier: 3.21 oz. (91 g)
42406051507
Bring professional-grade audio quality to your recording or live sound setup with the Shure MX391 Supercardioid Condenser Boundary Microphone. This high-quality, durable microphone is designed to capture a wide frequency range from 50 to 17,000 Hz, making it a versatile choice for various applications, from altars and boardrooms to distance learning centers.
The MX391/S features a supercardioid polar pattern, designed to pick up sound from a specific direction while minimizing noise from other directions. This ensures your recordings are clear and focused, reducing background noise for a more refined audio output.
This reliable microphone comes with an in-line preamp and a 12 ft (4 m) attached cable that terminates to a 4-pin mini connector, offering flexibility and convenience in setup. It also boasts programmable, silent membrane switches, logic inputs and outputs, and LED indicators, enhancing its functionality and ease of use.
Finished in a sleek color, the Shure MX391/S Supercardioid Condenser Boundary Microphone not only delivers superior sound performance but also blends seamlessly into any setting. Whether you're recording a podcast, conducting a conference call, or amplifying sound for a live event, this microphone is a dependable choice that delivers consistent, high-quality sound.