aviation headset Positive noise reduction rating: 24 dB Active noise reduction rating: 23 dB(one of the most highest level in the world of the ANR) Microphone Type: Amplified Noise Cancelling Electret Microphone Microphone Frequency Response:... - Update: 2008-12-18

Aviation headset Total Noise Reduction: 24 dBS Microphone Type: Amplified Noise Cancelling Electret Microphone Microphone Frequency Response: 300 Hz --8k Hz Speaker Type: Dynamic Speaker Nominal Impedacnce: 300 ohm Speaker Frequency Respons... - Update: 2008-12-18

Detailed Product Description Features: 1) Frequency response: 20-22,000Hz 2) Headset A) Impedance: 32 ohms B) Sensitivity: 106dB 2dB/mW C) Rated power: 100mW 3) Microphone A) Impedance: 1.5k ohms B) Sensitivity: -58dB 2dB C) Rat... - Update: 2006-12-11

FEATURES Receiving through facial bones. Unobstructed hearing for complete situational awareness. Heavy duty robust design, MIL-STD-810F. Optional IP67 water proof version. Applicable for SWAT, riot police, sniper, ... - Update: 2008-12-18

Frequency Response: 20~22, 000Hz Impedance: - Headphone: 300 Ohms - Mic: 1.5k Ohms Sensitivity(S. P. L): - Headphone: 105dB - Mic: -58dB Rated Power: - Headphone: 200mW - Mic: 0.5mA Driver Diameter: 40mm Plug: 6.5mm or XLR Cord Length:... - Update: 2007-05-17