PCI Race Radios Elite Helmet Wiring Kit With Race Speakers and Ear Jack The Elite Helmet Wiring Kit, featuring Race Speakers, is meticulously designed to deliver optimal performance and reliable functionality. It provides seamless communication, allowing you to stay focused on the trail. The kit ensures top-tier sound performance for both safety and connectivity. Specifically tailored for high-noise racing terrains, it offers flexibility to wire virtually any helmet. For professional-grade helmet wiring, you can rely on the expertise of PCI's seasoned professionals. Features: Easy, do-it-yourself kit! 3.5mm ear jack 8 ohm speakers Full flex boom with mic sock and o-ring 150 ohm dynamic, noise cancelling mic Water-resistant connector 4 conductor Plug