Description
Designed for broadcast and media production applications, the ultra-lightweight and durable BRH31M features a single supra-aural earcup design that enables the user to hear external audio cues. Its dynamic cardioid microphone offers natural, clear vocal reproduction and pivots 270 degrees for left or right wear.
The adjustable headband includes a cushioned temple pad for a comfortable, ergonomic fit. An unterminated, fixed cable allows for connection to a variety of devices. Replacement earpads and windscreens are available to extend the product’s life.
Features
- Closed-back, supra-aural design in an ultra-lightweight construction
- Dynamic microphone delivers natural, highly-intelligible vocal reproduction with cardioid polar pattern and frequency response optimized for communication in loud environments
- Natural, clear vocal reproduction with frequency response optimized for communication in loud environments
- Adjustable headband with cushioned temple pad for a comfortable, ergonomic fit
- Flexible boom microphone that pivots 270 degrees for left or right side wear and precise positioning
- Single-sided, fixed cable with unterminated ends (bare whip) that enables connection to a variety of devices
- Kevlar™ reinforced cable for increased durability
- Legendary Shure quality and durability to withstand the demands of everyday, professional use
- Replaceable ear pad and windscreen included for a long product life
Specifications
Microphone
Type Dynamic, Neodymium magnet, 12.5 mm
Polar Pattern Cardioid
Frequency Response 50 to 15,000 Hz
Output Impedance 150 Ω
Sensitivity at 1 kHz, open circuit voltage –66.5 dBV/Pa* (0.47 mV)
*1 Pa = 94 dB SPL
Polarity Positive pressure on diaphragm produces positive voltage on red wire with respect to black wire.
Headphone
Transducer Type Dynamic, Neodymium magnet
Driver Size 30 mm
Frequency Response 150 to 12,000 Hz
Sensitivity @ 1 kHz 101 dB SPL/mW
Impedance @ 1 kHz 220 Ω
Maximum Input Power 200 mW
Cable 1.8 m, non-PVC, 5-conductor, unterminated
Environmental Conditions
Operating Temperature 18° to 60° C (0° to 140° F)
Storage Temperature -29° to 74° C (-29° to 165° F)
Relative Humidity 0 to 95%
Weight
Net (without cable) 81 g (2.9 oz.)
Packaged 0.4 kg (0.9 lbs)
