100% Aircraft 2 Helmet - Black - Medium 80002-00002 hardtail 2-6V Selectable X-Over Fixed LPF

2-6V Selectable X-Over Fixed LPF X-Over filter Range 35-250Hz Bass Boost Range 0-9dB Bass Boost Frequency 45Hz Infrasonic Filter 10-50Hz Phase 0-180° Power Input Terminal Size 0GA x 2 Fuse Size (recommended) 420A

51" Overall Diameter: 8

and environments

Rugged Housing for Use on Construction Sites

100% Aircraft 2 Helmet - Black - Medium 80002-00002 hardtail 2-6V Selectable X-Over Fixed LPFMulti point adjustable visor designed for maximum vision and goggle stowage Carbon fiber shell Injection molded chin bar integration Dual Density EPS, injection molded with polycarbonate 14 point Smartshock Rotational Protective System 20 oversize ventilation ports for massive airflow Washable, moisture wicking anti microbial suede comfort liner D ring buckle for a secure fit and maximum security