Shure Beta 91A Boundary Microphone

Out of stock
AED 819.00 AED 780.00
  • Wide Frequency Response
  • Low-Profile Design
  • Cardioid Polar Pattern
  • Interchangeable Cartridge

Shure Beta 91A Overview

The Shure Beta 91A is a boundary microphone that can double as a kick drum mic, as it can capture the punch and attack of low-frequency instruments such as kick (bass) drums. It features a wide frequency response well suited for capturing a variety of audio signals such as organ and piano. The flat, boundary design also aides in producing a strong, solid low-end response, as well as make it easy to mount inside of a bass drum. The Beta 91A is ideal for both recording and sound reinforcement alike.

Uniform half-cardioid polar pattern for maximum gain-before-feedback and rejection of off-axis sound
Low-profile design features integrated preamplifier and XLR connector to facilitate setup efficiency while minimizing stage clutter
Frequency response tailored for kick drum/low frequency applications with a wide dynamic range for use in high SPL environments
Two-position contour switch to maximize attack and clarity depending on application: select the flat response setting for natural sound in most applications or the Low-Mid Scoop setting for a strong low frequency punch with plenty of higher frequency attack
Furnished with zipper pouch
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More Information
Manufacturer Shure

Shure Beta 91A Specs

CapsuleElectret Condenser
Polar PatternHalf-Cardioid
Tone AdjustmentLow Cut:
-7 dB at 400 kHz
On-Board ControlsLF
Frequency Range20 Hz to 20 kHz
Maximum SPL155 dB SPL (1 kHz, 1% THD, 1-Kilohm Load)
151 dB SPL (1 kHz, 1% THD, 2.5-Kilohms Load)
Impedance146 Ohms
Sensitivity-48.5 dBV/Pa
3.8 mV/Pa
Dynamic Range125.5 dB
Signal-to-Noise Ratio64.5 dB
Equivalent Noise Level29.5 dB SPL A-Weighted (Typical)
Output Connectors (Analog)1 x XLR 3-Pin
Operating Voltage11 to 52 V (Phantom Power)
Operating Current Consumption5.4 mA
DimensionsH: 3.7 x W: 0.8 x L: 5.5" / H: 95.1 x W: 20.3 x L: 139.1 mm
Weight16.6 oz / 470 g
Packaging Info
Package Weight1.85 lb
Box Dimensions (LxWxH)10 x 5 x 3.4"
  • Shure Beta 91A Boundary Microphone
  • Zippered Carrying Bag
  • Limited 1-Year Warranty