H41 Behind the Head (BTH) Headset for 2-Way Radios Motorcycle PTT Adapt your IMSA helmet kit

Adapt your IMSA helmet kit to a NASCAR car harness

Alpinestars Nomex® underwear series provides a safe and comfortable layer underneath your suit

Ball Size: B-Size (1")

Works great in all standard UTV switch holes as well as our 4 Switch Panel for RM-60 Mounts to keep your panel organized

It's so innovative and so revolutionary

H41 Behind the Head (BTH) Headset for 2-Way Radios Motorcycle PTT Adapt your IMSA helmet kitThe H41 headset provides two way radio communication when connected to your radio and can be used in applications including auto racing, industrial and heavy equipment operation, recreational off roading and more. The 5 pin port on this headset allows you to connect virtually any handheld radio on the market using a radio specific jumper cable. Features: Dynamic noise cancellation microphone 3. 5mm input jack for use with MP3 players and racing