Shure MX391W-A/O

Item code MX391W-A/O
EAN-code 42406051422

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Specifications
Boundary microphone provides high-quality sound for a wide range of applications due to its interchangeable condenser cartridge and low-profile design.

Equipped with features like programmable, silent membrane switches, logic inputs and outputs, 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 a choice of interchangeable condenser cartridges.

MX391: Includes attached 4 meter (12 ft) cable terminated with a 4-pin mini connector and separate preamplifier. A rubber strain relief is provided for applications that require removing the 4-pin mini connector and connecting the mic cable directly to screw terminals in the preamplifier.

Ports & interfaces

Device interface
Mini XLR (4-pin)
Connectivity technology
Wired

Power

Input voltage
11 - 52 V
Power source
DC
Power consumption
2.00 mA

Operational conditions

Operating temperature (T-T)
-18 - 57 °C
Operating relative humidity (H-H)
0 - 95 %

Other features

Number of products included
1.00 pc(s)

Design

Product colour
White
Type
Presentation microphone

Features

Cable length
3.70 m

Microphone

Microphone dynamic range
96.20 dB
Equivalent noise level
22.6 dB
Maximum sound pressure level (1kHz)
118.8 dB

Microphone direction type
Omnidirectional
Microphone frequency
50 - 17000 Hz
Sensitivity (1kHz)
33.5 mV/Pa
Self noise
23 dB
Voice coil type
Condenser
Microphone Signal-to-Noise Ratio (SNR)
71.40 dB
Output impedance
180 Ω