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15 July 2025

SHURE EZB/O MICROPHONE Boundary, omnidirectional

Stock code
74-6286
Brand
Shure
Model number
  • EZB/O
SHURE EZB/O MICROPHONE Boundary, omnidirectional

Image may be provided for illustrative purposes only, please refer to the product description.

SHURE EZB/O MICROPHONE Boundary, omnidirectional

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No longer manufactured. Please see below for suggested alternatives.

EZB Easyflex Boundary Microphones

The Easyflex EZB series line of miniature condenser microphones are the perfect choice for all types of low profile applications, where quality, value and budget are primary considerations. The boundary condenser microphones feature either a cardioid (EZB/C) or omnidirectional (EZB/O) polar pattern, and are available with a charcoal gray finish for unobtrusive placement in most surroundings.

Features

The Easyflex line is extensively and rigorously tested for quality in operation and performance in real-life environments to be reliable and consistent in performance. For your installations in auditoriums, boardrooms, houses of worship, schools, and AV applications, look no further than the wide frequency range and high sensitivity of the Easyflex family for solid performance at an affordable price. 

  • Flat frequency response across the vocal range for uncolored sound
  • Sleek, low-profile design for unobtrusive appearance
  • EZB/C Cardioid Condenser, includes 12 ft. (3.6m) attached cable and in-line preamplifier
  • EZB/O Omnidirectional, includes 12 ft. (3.6m) attached cable and in-line preamplifier

Specifications

Frequency Response
50 to 17,000 Hz
Polar Pattern
Cardioid or Omnidirectional
Output Impedance (at 1 kHz)
Rated at 150 ohms (170 ohms actual)
Open Circuit Sensitivity (at 1 kHz, ref. 1 V/Pascal*)
Cardioid: -39.0 dB (11.2 mV)
Omni: -34.0 dB (20.0 mV)
*1 Pascal = 94 dB SPL
Maximum SPL(1 kHz at 1% THD, 1 kilohm load)
Cardioid: 122.5 dB
Omni: 117.5 dB
Maximum Equivalent Output Noise (A-weighted at 1 kilohm load)
Cardioid: 23.0 dB
Omni: 17.5 dB
Signal to Noise Ratio (referenced to 94 dB SPL)
Cardioid: 71.0 dB
Omni: 76.5 dB
Dynamic Range (at 1 kilohm Load)
Cardioid: 99.5 dB
Omni: 100.0 dB
Common Mode Rejection
45 dB minimum
Preamplifier Output Clipping Level (1 kHz at 1% THD, 1 kilohm load)
-12.0 dBV (0.25 V)
Polarity
Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output connector.
Power Requirements
11 to 52 Vdc phantom, 2.0 mA
Environmental Requirements
Operating Temperature Range: -18 degrees C to 57 degrees C (0 degrees F to 135 degrees F)
Relative Humidity: 0 to 95%
Dimensions
2-15/16" L x 2-1/16 W x 17/32" H
Weight
1 lb.

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