ANR aviation headset PA-301

Super Soft Double Foam Head Pad. Easy-to-wear super soft silicone gel ear seals. Headband Size Adjustment. Precision flex boom for perfect microphone placement. Noise-canceling Amplified Dynamic Microphone. Precision flex boom for perfect microphone placement. Straight cord from headset to molded plug. Assembled strictly following the FAA TSO standards. Noise Reduction Ratings(NRR):24d.

Headphone:
Type: Dynamic (30)
Frequency Response:50Hz to 20kHz
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. Iuput: 100mW
Speech Sound:v Dynamic 300 ohms,Rate Input:30mW Max. Iuput: 100mW

Microphone and Amplifier:
Element Type:Noise-canceling Amplified Dynamic Microphone
Frequency Response: 150Hz to 8kHz
Operating Voltage (supplied by aircraft):8-32 Volts DC
Matching Impedance:150-1000 ohms
Sensitivity: -13+/-4 dB
(ref:0dB SPL=20.0uPa at 1 kHz with 10 Vdc 150 ohms AC load)

General:
Temperature:Operating: -25 to 70oC
Storage:-50 to 75oC
Cordage:
PA-301 Straight cord from headset to molded plug,150cm

Intercom Connections:
Microphone Plug: PJ-068 ( .206" 5.2 phone plug)
Microphone Plug: PJ-068 ( .206" 5.2 phone plug)

Weights:
PA-301-----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: Black
Boom: Flexible Boom