www.shure.com
©2012 Shure Incorporated
Product Specifications
0.4” from sound source
1.2” from sound source
6’ from sound source
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BRH31M Broadcast Headset
Overview
Features
Specifications
Designed to meet the needs of broadcast and media production professionals, the BRH31M Broadcast Headset provides exceptional
audio quality, comfort and legendary Shure durability in an ultra-lightweight design. User-replaceable accessories ensure a long
lifetime of use.
• Closed-back, supra-aural design with ultra-lightweight construction
• Dynamic microphone delivers natural, highly intelligible vocal reproduction with cardioid polar pattern and frequency response
optimized for communication in loud environments
• Adjustable headband with cushioned temple pad for comfortable, ergonomic fit
• Flexible boom microphone pivots 270 degrees for left or right side wear and precise positioning
• Single-sided, fixed cable with unterminated ends (bare whip) enables connection to a variety of devices. Kevlar® reinforced for
increased durability.
• Legendary Shure durability designed under rigorous quality standards to withstand the demands of everyday, professional use
• User-replaceable ear pad and windscreen provided for a long product life
Net Weight (without cable) 81 g (2.9 oz)
Cable Fixed, Single-Sided, 5-conductor, Unterminated cable (1.8 m)
Microphone
Type Dynamic (moving coil)
Polar Pattern Cardioid
Frequency Response 100 to 12,000 Hz
Output Impedance 200 Ohms
Sensitivity (@ 1 kHz, open circuit voltage) -64.0 dBV/Pa* (0.45 minimum)
*1 Pa - 94 dB SPL
Polarity Positive pressure on diaphragm produces positive voltage on pin 1 (red wire) with respect to pin 3 (shield)
Headphone
Transducer Type Dynamic, Neodymium magnet
Driver Size 30 mm
Frequency Range 150 to 12,000 Hz
Sensitivity (@ 1 kHz) 101 dB/mW
Impedance (@ 1 kHz) 220 Ohms
Maximum Input Power 200 mW
Available Models
BRH31M Single-Sided Lightweight Broadcast Headset.
Replacement Ear Pads BCAEC31
Replacement Windscreen BCAWS1
Accessories and Replacement Parts
4000 Hz
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Polar Pattern
Frequency Response
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