Specifications

PNR Noise Reduction Ratings (NRR)：21dB      

ANR Noise Reduction Ratings(NRR)：29dB

Headphone

Type：Dynamic (  30 )

Frequency Response： 50 Hz to 20 kHz

Sensitivity：95±5 dB SPL

(I KHz, I mW input per earcup side)

frll volume on ear simulator

Active Noise Attenuation：

Dynamic 42 ohms：

Rate Input： 30mW   Max. Input：  100mW

Speech Sound：

Dynamic 300 ohms：

Rate Input：  30mW   Max. Input： 100Mw

Microphone and Amplifier：

Element Type：  Noise-canceling electret

Frequency Response：   100Hz to 5 kHz

Operating Voltage(supplied by aircraft)：  8-32 Volts DC

Matching Impedance：    150-1000 ohms

Sensitivity：-33±4 dB (Ref：0dB SPL=20.0uPa at I kHz

      With 10 Vdc 150 ohms AC load)

General：

Temperature：  Operating – 20 to 70ºC

Cordage：Straight cord from headset to molded plug 150CM

Intercom Connections：

Earphone Plug：      PJ-055  (.25” 6.3  phone plug)

Microphone Plug：    PJ-068  (.206” 5.2 hone plug)

Weights： 550g

ANR Noise Reduction Specifications：

Attenuation Frequency Band…………20Hz～20 KHz

Main Attenuation Frequency Band…20Hz～600Hz

Attenuation Capability………………29dB

Power Consumption……………………30mW

Headset size range Height： 10 to 14 cm

Color：Black        Boom：Flexible Boom