HJC 4X. Integrated HJC comm system with JBL audio, live intercom, and seamless Bluetooth connectivity. The Cardo HJC 4X delivers a clean, integrated communication system designed specifically for select HJC helmets. Built for riders who want a streamlined setup without sacrificing performance, it installs seamlessly while providing reliable connectivity and clear audio on every ride. With LIVE Intercom, you get a stable Bluetooth connection for two riders with automatic reconnect, keeping communication consistent without extra steps. JBL 40 mm speakers deliver rich, high-definition sound, while automatic volume adjustment keeps audio balanced as conditions change. Add in over-the-air updates, universal connectivity, music streaming, and fast charging, and the HJC 4X is ready to keep you connected wherever the ride takes you. Specs: