KJ-379D
• Office headset with noise-cancelling microphone
• Adjustable headband for perfect fit
• Leatherette ear cushions and a headband cushion
• All-day comfort design
• Available only in binaural
• Suitable for Unified communication with USB connection
Specification
Specification
Microphone Sensitivity    -52±3dB
Sensitivity Difference    500 Hz to 4000 Hz ＞ 8dB
Microphone Frequency    100-12000Hz
Microphone Type    Unidirectional
Impedance    Max. 2.2KΩ 1KHz (RL=2.2KΩ)
Maximum Sound Pressure Level    115dB S.P.L
Speaker Impedance    150Ω ± 15 %
Frequency Response    210Hz ~ 20KHz(±10dB)
Sound Pressure Level    129B ± 3dB at 1000Hz
Features
Microphone boom    270 degrees rotating boom
Acoustic Shock Protection    Protects users' ears from a sudden peak noises
Large Ear Cushion    Used 65mm leatherette ear cushion
Connection    Unified Communication with USB connection