Made out of carbon fiber of high strength. The thickness of the shell is 2~3mm, which is very light but strong enough.
A crushable foam inner shell, in expanded polystyrene. The innermost layer consists of the comfort lining, made in expanded polyurethane, non-allergenic textile. PTT for repetitive use at least 10000 times.
Kenwood dual 2.5mm plug used widely all over the world and could be connection with almost radios.
Active noise reduction technology in headsets brings the clear voice to the pilots. Ear cup out of silica gel to filter out engine noise. Four sizes and you are bound to find the right one for yourself.
No visor applicable.
Technical Index of active anti-noise transmitter and receiver:
Transmitter: Power Supply.: 5V Sensitivity: 1--0.5Mv/Pa1000Hz Impedance: 32(1--15%)Ω(1000Hz) Frequency Response: 200~4000 Hz Axial detectability: ≥ 8 dB(1000Hz) Signal-to-noise Ratio: ≥ 16 dB Reliability MTBF(θ1): 5000h Working temperature: -40~55