Shure Mx391 Omnidirectional Boundary Microphone
- Product Code: eq6094
-
Styled in black, this Shure MX391 is a Microflex omnidirectional boundary microphone. It's easy to use, features an inline preamp, and offers interchangeable mic capsules. It's designed to pick up speech in a manner preserving its intelligibility. The mic is well suited for sound reinforcement and recording applications in boardrooms, conference centers, educational settings, houses of worship, and more.
Omnidirectional Pickup Pattern No Mute Switch Interchangeable Mic Capsule Preamp with XLR Output
Key Specs | |
---|---|
Polar Pattern | Omnidirectional |
Element Type | Electret Condenser |
Controls | No |
Frequency Response | 50 Hz to 17 kHz |
Maximum SPL | 111 dB |
Analog Output | 1x XLR 3-Pin Male |
Power Sources | Phantom Power |
Microphone | |
Polar Pattern | Omnidirectional |
Element Type | Electret Condenser |
Sound Field | Mono |
Orientation | N/A to Boundary Mics |
Controls | No |
Circuitry | Solid-State |
Performance | |
Frequency Response | 50 Hz to 17 kHz |
Maximum SPL | 111 dB |
Sensitivity | -22 dBV/Pa |
Dynamic Range | 96.2 dB |
Equivalent Noise Level | 15 dB (A-Weighted) |
Connectivity | |
Analog Output | 1x XLR 3-Pin Male |
Cable Length | 12.1' / 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 |
Packaging Info | |
Package Weight | 1.05 lb |
Box Dimensions (LxWxH) | 10 x 4.7 x 3.15" |
- The compact, low-profile microphone is designed to be surface-mounted on conference tables, stage floors, and lecterns.
- The sleek, unobtrusive form factor stays out of the way of panelists and presenters, making it a smart solution for video conferencing.
- The MX391 doesn't offer mute switches, so speakers can't mute themselves—the mic is always ready to capture every moment in a panel discussion or presentation.
- The condenser microphone is optimized for crisp, clear speech.
- The mic's omnidirectional pickup pattern captures sound from all around the mic, allowing more than one person to use a single microphone.
- An interchangeable mic capsule design allows you to swap out the omnidirectional capsule for a cardioid capsule (if you need a narrower pickup pattern) or a supercardioid capsule (for a very narrow pickup pattern).
- Included is an inline preamp with a standard 3-pin XLR output ready to plug into a PA system, mixer, or recorder capable of supplying 12 to 48V phantom power needed to power the mic.
- The preamp offers a high level of RF filtering, making the mic substantially less susceptible to unwanted radio interference.
Related Questions and Answers
Q: 1. Would this microphone work well for picking up noise on a basketball court for broadcast?
A: It depends on the sound you want recorded. This will pick up all the sound in the room (depending on the size of the room) which could include unwanted sounds from the crowd or other noises.
Q: 2. According to SHURE's website, the Microflex Series come with 3 interchangeable cartridges. I don't see that in the IN THE BOX section. Does it in fact come with 3 cartridges?
A: No, the Shure MX393/S does not come with interchangeable cartridges. The MX393/S comes only with the supercardioid cartridge built into the unit.
Q: 3. Is there a white version?
A: We do not offer a white version of this boundary microphone.
Q: 4. does the mic hear vibrations on a floor such as dancers or people walking on a stage ?
A: The Shure MX391 will pick up vibration from the surface it is placed on.
Q: 5. Will the mic work with MXW1 body pack for wireless option?
A: No, the Shure MX391 Microflex Cardioid Boundary Microphone is not compatible with the Shure MXW1 Hybrid Bodypack Transmitter.
Q: 6. Will this mic work with MXW1 as wireless solution?
A: No, the Shure MX391 Microflex Cardioid Boundary Microphone is not compatible with the Shure MXW1 Hybrid Bodypack Transmitter.
Q: 7. does this have a mute switch?
A: It does not. It is intended to be controlled externally.
Q: 8. For grand piano, does this sound better with one or two Beta 91A microphones?
A: One Shure Beta 91A Boundary Microphone is all you need to mic a grand piano.
Q: 9. How is the cable attached to the camera?
A: The Xcellon HDWC-10 Full HD Webcam has a USB cable that is permanently attached to the back of the camera. The USB connector just needs to be plugged into a USB port on the computer.
Q: 10. if all mic are active at a time, there could be any echo in far end?
A: Sorry, but I don't have an answer to your question. We wound up using a different microphone for our application.
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