3C NASCAR Wired Straight Cord Helmet Kit with Mic and 3.5mm Jack

The 3C NASCAR Wired Straight Cord Helmet Kit with Mic and 3.5mm Jack delivers reliable in-helmet communication for stock car and short course circuits, trusted by a variety of racers. The NASCAR 3-conductor configuration is designed for compatibility with standard NASCAR car harnesses. It features a dynamic noise-canceling microphone for clear voice transmission, a full-flex boom for precise mic positioning, and a 3.5mm jack for mono earbud connections. The straight cord option is included. For a cleaner look and easier installation, use hot glue or Rugged Quick Mount (sold separately) to install the mic boom and cable junction block. Compatible with Challenger II, Challenger Semi, or AlphaBud Mono earbuds.