4C IMSA Wired Coil Cord Helmet Kit with Microphone & 3.5mm Jack - Perfect for Racing, Motorcycle, and Gaming Headsets - Noise Cancelling & Durable Design

Designed 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 for road racing and performance circuits
• Dynamic noise-canceling microphone ensures clear voice transmission
• Full-flex boom mic allows precise mic positioning inside your helmet
• 1/8" jack for connecting mono earbuds (select models only)
• Coil cord wired

Includes:

• (1) IMSA wired helmet kit

Compatibility:

• Works with standard IMSA car harnesses using 4-conductor (4C) plug
• Requires mono earbuds (compatible with Challenger II, Challenger Semi, or AlphaBud Mono) when using models with 1/8" jack

Installation:

• Mic boom and cable junction block install using hot glue or Rugged Quick Mount (sold separately) for a cleaner, easy installation

Need Installation Help? for step-by-step instructions.