4C IMSA Wired Coil Cord Helmet Kit with Mic and 3.5mm Jack Coil Cord Jumpers this rugged off-road chase navigator

this rugged off-road chase navigator has the tools you need to stay on track and the communication technology to stay in touch with global satellite coverage

or AlphaBud Mono

Passive Noise Reduction (PNR) enhances focus without electronics

Rugged Radios RRP6100 (Intercom)

Cloth Ear Covers

4C IMSA Wired Coil Cord Helmet Kit with Mic and 3.5mm Jack Coil Cord Jumpers this rugged off-road chase navigatorDesigned 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, coil cord and a 1 8" jack for connecting your preferred earbuds. Features: IMSA 4 conductor configuration