• Noise Reduction Ratings (NRR): 24dB 

• Coiled Cord Length: 70cm

• Intercom Connections: U174/U

• Noise Reduction Device Specifications: 

       Attenuation Frequency Band-----20HZ to 20KHZ 
       Attenuation Capacity-----18 to 21dB 
       Power Consumption------30mW

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• Apply to Helicopter

• Mic Boom: Flexible Gooseneck Boom 

• Weights: 640g