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4C IMSA Wired Straight Cord Helmet Kit with Mic and 3.5mm Jack

4C IMSA Wired Straight Cord Helmet Kit with Mic and 3.5mm Jack

Part number
HK-IF
Brand
Rugged Radios
Price range
$89.00
Last checked
Nov 5, 2026

Spec sheet

Collected from 1 supplier page - confirm fit with the supplier before ordering.

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, 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) Straight cord wired Includes: (1) IMSA wired helmet kit with mic 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? Click here for step-by-step instructions.

Suppliers (1)

  • Rugged Radios
    4C IMSA Wired Straight Cord Helmet Kit with Mic and 3.5mm Jack · Orderable · stock unverified
    Checked Nov 5, 2026
    $89.00
    View at supplier

Price history

DateSupplierPriceStock
Nov 5, 2026Rugged Radios$89.00Orderable - stock unverified