Shure MX391/O Black Omnidirectional Miniature Microflex Condenser Boundary Microphone - Your Sound Solution
Get high-quality sound for various applications with this boundary microphone. Its interchangeable condenser cartridge and low-profile design make it a great choice.
Microflex Boundary Microphones, with features like programmable silent membrane switches and logic inputs/outputs, are perfect for altars, boardrooms, and distance learning centers. Each comes with a choice of interchangeable condenser cartridges.
Features:
- • Flat frequency response for natural sound
- • Interchangeable cartridges for optimal application choice
- • Sleek design for an unobtrusive look
Specifications:
- Microphone:
- Primary Applications: Conferencing
- Microphone Type: Boundary/Surface Mount
- Intended Sound Sources: Vocals, Speech
- Sound Field: Mono
- Element Type: Electret Condenser
- Polar Pattern: Omnidirectional
- Circuitry: Solid-State
- High-Pass Filter: No
- Gain Adjustment: No
- Performance:
- Frequency Range: 50 Hz to 17 kHz
- Maximum SPL: 111 dB SPL
- Sensitivity: -22 dBV/Pa
- Dynamic Range: 96.2 dB
- Equivalent Noise Level: 15 dB A-Weighted
- Connectivity:
- Analog Output: 1x XLR 3-Pin Male (on Preamp)
- Cable Length: 12.14' / 3.7 m
- Power:
- Power Sources: Phantom Power
- Operating Voltage: 11 to 52 V (Phantom Power)
- Physical:
- Color: Black
- Mounting Thread Size: No Mount Included
- Dimensions: H: 0.75 x W: 2.09 x L: 3.13' / H: 19.05 x W: 53.04 x L: 79.4 mm
- Weight: 4.44 oz / 126 g


This Shure MX391/O omnidirectional microphone is perfect for a variety of settings. Ideal for conferencing in boardrooms, altars, or distance learning centers. It has a sleek, low-profile design. The microphone measures H: 0.75 x W: 2.09 x L: 3.13' (H: 19.05 x W: 53.04 x L: 79.4 mm) and weighs 4.44 oz (126 g). It comes with a 12.14' / 3.7 m cable and has an analog output of 1x XLR 3-Pin Male (on Preamp). Requires Phantom Power with an operating voltage of 11 to 52 V.