4C IMSA Wired Straight Cord Helmet Kit with Mic and 3.5mm Jack GMRS Adjustable locking design with over

Adjustable locking design with over 30 indexed positions for precise antenna angle

High Bend test cord

Don't have a metal roof

Accurate course over ground even at low speeds

Loud front-firing speaker for clear communication in high-noise environments

4C IMSA Wired Straight Cord Helmet Kit with Mic and 3.5mm Jack GMRS Adjustable locking design with overDesigned 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