4C IMSA Wired Straight Cord Helmet Kit with Mic and 3.5mm Jack Power Management Air System: OS20 offset air

Air System: OS20 offset air intake with 3 internal channels

Use an optional Variable Speed Controller

Switches and all other accessories sold separately

Weather Protection: Designed with a double layer of weatherproof UV rated gasket to keep moisture and debris out of your truck

(1) H41 Behind-the-Head (BTH) headset (entry-level noise reduction)

4C IMSA Wired Straight Cord Helmet Kit with Mic and 3.5mm Jack Power Management Air System: OS20 offset airDesigned for road racing, the IMSA Wired Helmet Kit delivers loud, race ready audio and clear driver communication. Trusted in open wheel and sports car series like LMP2, GT3, GT4, and TCR, this kit features a 4 conductor IMSA configuration and installs easily into most helmets. This version includes a dynamic noise canceling mic, full flex boom, and a 1 8" jack for connecting your preferred earbuds. Features: IMSA 4 conductor configuration for road