The M-003-A will fit all SPH-3, 4, and 5, as well as HGU-33, HGU-55, HGU-84, PRK-37, HGU-56, and all military style helmets.
SPH-4 helmet requires factory installation when installing with AMP cable.
Alpha helmets require M-002-A kit with our helmet gel-seals. Factory installation required.
All helmets must have ear cups which are not included in the kit. Silicone gel ear seals for helmetsare included. Outstanding comfort!
If you have additional questions, or if your headset is not listed above, please call & inquire about your specific model.
List last updated: 03-30-2011
