RUGGED Wired / STX Stereo Helmet Kit with Alpha Audio Speakers and Mic is designed for quick installation and universal fit, allowing connection to both stereo and standard off-road intercoms. Perfect for recreational riders seeking a fast, reliable setup, it provides crisp communication and music playback. Its special features are Alpha Audio helmet speakers which result in full-range sound with enhanced highs and lows. A dynamic noise-canceling microphone offers clear voice transmission while a full-flex boom mic allows exact mic positioning inside your helmet. Besides, it's compatible with RUGGED Wired / OFFROAD and STX Stereo intercom cables, and also PCI TRAX Stereo cables and intercoms.