Shaanxi Fenghuo Hongsheng Science & Technology Co., Ltd

Equipped with productive anti-noise transmitter-receiver headset factory and company, Fenghuo Hongsheng is one of the leading China anti-noise transmitter-receiver headset manufacturers and suppliers. Welcome to contact us.Model OSDK-12 Active Anti-noise Transmitter-receiver Headset which adopts the structure of binaural head ring is the audio terminal for the pilot. The product adopts Active Anti-noise Technology so that it can enhance the voice communication articulation in the high noise environmental condition.The pilot?s audition is protected availably. It has obtained CTSOA (Serial Number: TSOA0034-XB-002) which is awarded by Civil Aviation Administration of China. It can replace the foreign products.?Main Technical Specifications:?Frequency range:200Hz?4000HzPower supply voltage: (9?3) V DC?Operating current?50mA??Transmitting average sensitivity: (-33?4) dB/Pa??Receiving average sensitivity: (90?5) dB/mW?? ?Average sound insulation of earmuffs?25dB (300Hz?8000Hz)??Active anti-noise sound insulation amount:Max?12dB?Min?6dB (50Hz?300Hz)?PS:The transmiting sensitivity can be adjusted according to the requirement of the user; the earphone can be also used in single track or double tracks; It also has the volume-regulating function.The transmitter-receiver impedance can choice 75??150??300??600?,etc.

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