Shure MX391/S Microflex Supercardioid Miniature Black Condenser Boundary Mic with 12ft Cable & Detachable Preamp – Black
Original price was: $352.00.$252.00Current price is: $252.00.
Shure MX391/S Microflex Supercardioid Miniature Black Condenser Boundary Mic with 12ft Cable & Detachable Preamp – Black. Gear by The Penn Group.
This product is currently backordered. You may still place your order, and an update will be provided when the product ships.
Description
The SHURE MX391-S 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, Microflexr 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.
The MX391-S 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.
Specifications:
- Type: Electret Condenser
- Frequency Response: 50-17000 Hz
- Polar Pattern: Supercardioid
- Output Impedance: 180 Ω
- Output Configuration: Active Balanced
- Sensitivity @ 1 kHz, open circuit voltage: -28 dBV/Pa(38.5 mV)
- Maximum SPL @ 1 kHz at 1% THD, 1 kΩ load: 118 dB
- Self Noise A-weighted: 15 dB SPL
- Signal-to-Noise Ratio Ref. 94 dB SPL at 1 kHz: 80 dB
- Dynamic Range: 1 kΩ load @ 1 kHz, 96 dB
- Common Mode Rejection: 45 dB, minimum
- Clipping Level at 1% THD: -6 dBV (0.5 V)
- Polarity: Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output XLR connector
- Operating Temperature: -135°F
- Storage Temperature: -20-165°F
- Relative Humidity: 0-95%
- Power Requirements: 11-52 V DC, 2.0 mA
Item Includes:
- 1x Carrying/Storage Bag
- 1x RFI Resistant, Inline Preamp for all MX Models (Black)
- 1x Allen wrench (No.4)
Additional information
| Weight | 0.5 lbs |
|---|


Charles T. –
A+ product! Would give it 10 stars if I could. Definitely recommending this to everyone I know.
M. H. (verified owner) –
Had this and wow, just wow. I was skeptical at first but this product really delivers. Worth every penny.
R. M. (verified owner) –
Nice product! Does what I need it to do. Minor wish list items but overall great. Happy with my purchase. The Shure MX391/S Microflex Supercardioid Miniature Black Condenser Boundary Mic with 12ft Cable & Detachable Preamp – Black arrived quickly and works great.
bluemaster517 (verified owner) –
Got this for myself and i’ve tried many similar products and this one is by far the best. Exceptional quality and great value.
Walter –
Excellent product minus one small design quirk that doesn’t affect performance. I’m so happy with this Shure MX391/S Microflex Supercardioid Miniature Black Condenser Boundary Mic with 12ft Cable & Detachable Preamp – Black!
Loyal Customer (verified owner) –
Exceptional! The build quality is impressive and it does everything it’s supposed to do and more. Great find!