Cat No. 004978
HMD 281 pro
Headsets | Communications Headset
Features
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Noise-compensated microphone with extremely low handling noise
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Microphone can be worn on either left or right-hand side
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Easily replaceable, single-sided coiled cable
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Space-saving design with rotating earpieces
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Replaceable parts for long life
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Lightweight design
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Delivery includes: 1 HMD 281 pro
1 windshield
Replacement Parts
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Ear pads (1 pair) Cat. No. 085733
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Headband padding Cat. No. 083321
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Connection cable Cat. No. 082072
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Windshield Cat. No. 083411
Technical Data
Headphones
Transducer principle..............................................................dynamic
Ear coupling ........................................................ circumaural, closed
Frequency response ....................8 – 25,000 Hz (–10 dB / 1 kHz)
Sound pressure level............................. 102 dB (as per IEC 268-7)
Attenuation .......................................................................max. 32 dB
Nominal impedance ...............................................64 Ωper system
Load rating.................................................................................. 0.5 W
THD ............................................................................................ < 0.1 %
Contact pressure.............................................................. approx. 6 N
Weight (w/o cable).....................................................approx. 310 g
Microphone
Transducer principle..............................................................dynamic
Frequency response ................................................. 50 – 13,500 Hz
Pick-up pattern ...........................................................super-cardioid
Sensitivity (free field, no load, 1 kHz).............................. 1 mV/Pa
Nominal impedance ................................................................. 200 Ω
Connections
Connection cable.............................................. unterminated coiled
cable, min. 1 m/max. 3 m
Microphone Frequency Response (Near Field)
measured with B&K 4219 artificial mouth
dB
(V/Pa)
Hz
-100
-95
-90
-85
-80
-75
-70
-65
-62.5
-60
-55
-50
90 200 500 1k 2k 5k 10k 20
