Civilian SPH-4 Aviation Helmet Upgrades

Ear Cup Components

Additional Components

Note: Choose the appropriate MicMuff® Microphone Cover for your helmet. If you have a dynamic microphone element choose #90010. For an electret element choose #90015. For a military dynamic (M-87) element choose #90020. If you are not sure, give us a call.

ZetaLiner® Helmet Liner. Go to Sizing Page