Aviation Headset Anr Headset Active Noise Cancelling Headset

ANR Aviation Headset (ANR power: 9V battery)
GA Use Dual Plugs
Super Soft Double Foam Head Pad
Noise-canceling electret Microphone
Precision flexible boom for perfect microphone placement
Easy-to-wear super soft silicone gel ear seals
Headband Size Adjustment
Straight cord from headset to molded plug, 150CM
Assembled strictly following the FAA TSO standards
Color: Black, green

Noise Reduction Ratings (NRR): 24dB
Specifications
Headphone
Type: Dynamic (F30)
Frequency Response: 50 Hz to 20 kHz
Sensitivity: 95+/-5 dB SPL (1 kHz, 1 mW input per earcup side) full 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 1 kHz with 10 Vdc 150 ohms AC load)

General
Operating Temperature: -20 to 70° C
Cordage: Straight cord from headset to molded plug, 150CM
Intercom Connections Plug:
Earphone Plug: PJ-055(. 25"F6.3 phone plug)
Microphone Plug: PJ-068(. 206"F5.2 phone plug)
Weights: 600g
Noise Reduction Specifications:
Attenuation Frequency Band__________20Hz~20kHz
Main Attenuation Frequency Band__________20Hz~600Hz
Attenuation Capability__________18~21dB
Power Consumption__________30 mW
Headset size range Height: 10 to 14 cm
Color: Green/Black
Boom: Flexible Boom