Model OSDK-12 Active Anti-noise Transmitter-receiver Headset

Product Description

Model OSDK**2 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: TSOA****-XB***2) which is awarded by Civil Aviation Administration of China. It can replace the foreign products.

Main Technical Specifications:

 Frequency range:**0Hz～***0Hz

Power supply voltage: (9±3) V DC

Operating current≤*0mA

 Transmitting average sensitivity: (**3±4) dB/Pa

 Receiving average sensitivity: (*0±5) dB/mW

  Average sound insulation of earmuffs≥*5dB (**0Hz～***0Hz)

 Active anti-noise sound insulation amount:Max≥*2dB；Min≥6dB (*0Hz～**0Hz)

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 *5Ω、**0Ω、**0Ω、**0Ω,etc.