MX-8376/AR hard plastic earcup. For use with the HGU-33, HGU-55, And HGU-68. Required for installation of ANR, active noise reduction, in these helmets. Does not include the foam earcup filler pad or foam earphone holder.

Components can be purchased separately.

Other items you may need:

Gel Earseals

Leather Comfort Earseals

Earseals

Earphone Holder

Earcup Filler Pad

HGU Quiet Kit