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Shure Beta 91A Boundary Microphone

BH #SHBETA91A • MFR #BETA 91A
Shure Beta 91A Boundary Microphone
Key Features
  • Wide Frequency Response
  • Low-Profile Design
  • Cardioid Polar Pattern
  • Interchangeable Cartridge
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.
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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
UPC: 042406187176

Shure Beta 91A Specs

Key Specs
Element Type
Electret Condenser
Polar Pattern
Half-Cardioid
On-Board Controls
LF
Frequency Range
20 Hz to 20 kHz
Maximum SPL
155 dB SPL (1 kHz, 1% THD, 1-Kilohm Load)
151 dB SPL (1 kHz, 1% THD, 2.5-Kilohm Load)
Power Sources
Phantom Power
Microphone
Element Type
Electret Condenser
Polar Pattern
Half-Cardioid
On-Board Controls
LF
Performance
Frequency Range
20 Hz to 20 kHz
Maximum SPL
155 dB SPL (1 kHz, 1% THD, 1-Kilohm Load)
151 dB SPL (1 kHz, 1% THD, 2.5-Kilohm Load)
Sensitivity
-48.5 dBV/Pa
3.8 mV/Pa
Dynamic Range
125.5 dB
Signal-to-Noise Ratio
64.5 dB
CMRR
55 dB
Power
Power Sources
Phantom Power
Operating Voltage
11 to 52 V (Phantom Power)
Operating Current Consumption
5.4 mA
Packaging Info
Package Weight
1.65 lb
Box Dimensions (LxWxH)
10 x 5 x 3.4"

Shure Beta 91A Reviews

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Is the Beta91A manufactured in Mexico or China ?

Is the Beta91A manufactured in Mexico or China ?
Asked by: Nabil
The Shure Beta 91A Boundary Microphone is manufactured in Mexico.
Answered by: Lisa S
Date published: 2023-02-27

For grand piano, does this sound better with one ...

For grand piano, does this sound better with one or two Beta 91A microphones?
Asked by: robert
One Shure Beta 91A Boundary Microphone is all you need to mic a grand piano.
Answered by: Lisa S
Date published: 2023-03-26
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