PNR Aviation Headset nosie cancelling funcation

Simple and affordable PNR performance Incredible voice clarity Higher noise attenuation Ultra-lite Neodymium speakers PNR Aviation HeadsetGA Use Dual PlugsSuper Soft Double Foam Head Pad New Comfort foam, undercut ear sealsMolded cord assembly made to exceptional pull and flex standards Noise-canceling electret Precision flex boom for perfect microphone placementStraight cord from headset to molded plug, 150CM Color: Black, green   Noise Reduction Ratings (NRR):24dBSpecificationssSType: Dynamic (F50)Frequency Response:100Hz to 8 kHzSensitivity:95+/-5 dB SPL(1 kHz, 1 mW input per earcup side) full volume on ear simulatorImpedance:150 ohms (300 ohms each; wired in parallel)Rate Input:100mWMax. Input: 250mWMicrophone and Amplifier:Element Type: Noise-canceling electretFrequency Response:150Hz to 5 kHzOperating Voltage (supplied by aircraft ):8-32 Volts DCMatching Impedance: 150-1000 ohmsSensitivity:-33+/-4 dB (ref: 0dB SPL=20.0uPa at 1 kHz with 10 Vdc 150 ohms AC load) GeneralOperating Temperature: -20 to 70°CCordage: Straight cord from headset to molded plug, 150CMIntercom Connections Plug: Earphone Plug: PJ-055( .25"F6.3 phone plug)Microphone Plug:PJ-068( .206"F5.2 phone plug)Weights: 520gNoise Reduction Specifications: Attenuation Frequency Band__________20Hz~20KHzMain Attenuation Frequency Band__________20Hz~600HzAttenuation Capability__________18~21dBPower Consumption__________30 mWHeadset size range Height: 10 to 14 cm

PNR Aviation Headset nosie cancelling funcation