EVO-HPH KEVLAR HELMET
We invented the SPH / HPH Bose A20 installation Kit and own the Patent. We also control the patent for the Lightspeed install kit. No one else can offer you the A20 for the SPH / HPH outside of our dealer network. We offer the HPH in both Passive and with the Bose A20 Aviation Headset.
Get the A20 ANR system for a powerhouse helmet with features not found in other helmets.