Shaanxi Fenghuo Hongsheng Science & Technology Co., Ltd

Equipped with productive communication helmet factory and company, Fenghuo Hongsheng is one of the leading China communication helmet manufacturers and suppliers. Welcome to contact us.Model FHH-1 Communication Helmet is composed by helmet, communication cap and adapter cable. It is an audio terminal used in various communication cars.Main Technical Specifications:Operation temperature: -40??+65?Weight?1900g (whole set)Transmitting impedance: ?150?22.5???1000Hz?Transmitting sensitivity:?-63?3?dB/Pa(200?4000Hz,1V for 0dB)S/N?8dB?Receving impedance: ?500?100???1000Hz?Receving sensitivity:?98?3?dB/mW?200Hz?4000Hz,20?Pa for 0dB)Sound insulation amount of earmuffs?20dB?125Hz?8000Hz)

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