PCI Race Radios Trax Helmet Wiring Kit Immerse yourself in an enhanced communication experience with the PCI helmet wiring kit, carefully designed for open face helmets. Taking a leap from traditional wiring kits, this innovative setup guarantees the microphone extends to your lips for optimal sound transmission. The kit is equipped with special noise-cancelling microphones and speakers tailored for compatibility with PCI Trax intercoms. The package also comes with HFI speakers, enabling the enjoyment of music in all its stereo richness. Features: 150ohm Low gain half wire boom microphone Trax 300 ohm HFI Speakers Water resistant H2no plug 5 conductor grey plug only for Trax intercom systems