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Shure MX391S - Super-Cardioid Boundary Condenser Microphone (Black)

B&H # SHMX391S MFR # MX391/S
Usually ships in 7-10 business days

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This item is usually Drop Shipped from the MFR/Distributor within 7-10 business days (subject to availability). Your order will be charged at the time of placing the order with the MFR. Item is non-cancelable and non-returnable.
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You Pay: $190.00

There's never been smarter boundary microphones than the Microflex models from Shure. With many models to choose from, equipped with features like programmable, silent membrane switches, logic inputs and outputs, and LED indicators, 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 one of the new interchangeable condenser cartridges. Available in cardioid, supercardioid and omnidirectional polar patterns, the Microflex cartridges give you superior Shure quality sound options for every installation. In addition, their programmable switches offer the flexibility to be set for Push to Talk, Push to Mute or Push On/Push Off modes. Attractively designed with a low profile, professional appearance, the Microflex Boundary microphones come with an easy to use paint mask for your custom-color installations. Find out why we call the new Microflex Boundary microphones "the smart choice" for just about every application. Take a listen today.

The MX391S is a supercardioid miniature white condenser boundary microphone with an in-line preamp, a 12 foot (4 meter) attached cable that terminates to a 4-pin mini connector.

Flat frequency response across the vocal range for uncolored sound
Interchangeable cardioid, supercardioid, and omnidirectional cartridges that provide optimal choice for each application
Sleek, low-profile design for unobtrusive appearance
Balanced, transformerless output for increased immunity to noise
Supercardioid pickup pattern for sound reinforcement applications requiring narrow or more distant cover-age. Pickup angle (-3 dB) = 115°
Transducer Condenser
Polar Pattern Supercardioid
Frequency Response 50 Hz to 17 kHz
Dynamic Range (Typical) 96.2 dB
Signal-to-Noise Ratio 72.7 dB
Maximum Input Sound Level 117.5 dB, (1 kHz at 1% Total Harmonic Distortion, 1 kW Load)
Power Requirements 11 to 52v DC, Phantom
Output Impedance 150 Ohms (180 Ohms Actual)
Output Connectors 4-Pin Mini Connector, (A rubber strain relief is provided for applications where you want to remove the 4-pin mini connector and connect the microphone cable directly to screw terminals in the preamplifier.)
Preamplifier Ultimately Terminates to XLR-3M Connector.
Pad None
Low Frequency Roll-Off None
Applications General Sound Reinforcement Applications
Dimensions 3.126 x 2.088 x .750" (7.940 x 5.304 x 1.905cm) LxWxH
Weight Microphone: 4.16 oz. (117.9 g)
RK183PK Pre-Amplifier: 3.21 oz. (91 g)
Shure MX391S - Super-Cardioid Boundary Condenser Microphone (Black)
  • (RK183PK) Preamplifier (4-Pin Mini to XLR-3M)
  • 2 Year Warranty
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