PCI Race Radios Trax Helmet Wiring Kit For Open Face Helmets Experience the innovative design of the PCI wiring kit, specifically engineered for open face helmets. This unique design provides an extension for the microphone to easily reach your lips, unlike traditional wiring kits. The product incorporates noise-canceling microphones and speakers that are compatible with PCI Trax intercoms. The kit also features integrated HFI speakers, offering the pleasure of a full stereo music experience. 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