Featuring dual-mic Environmental Noise Cancellation (ENC) for use in loud environments, the Hollyland Solidcom C1 Pro-Hub4S is a full-duplex, wireless DECT intercom system with hub engineered to provide clear audio and all-day wearing comfort in a true-wireless design with no bodypack required. This configuration includes 1 wired single-ear headset that connects to the hub and 4 wireless single-ear remotes, along with rechargeable batteries, an 8-bay charger, and accessories. The system transmits in the 1.9 GHz spectrum and uses proven DECT 6.0 technology to ensure secure and reliable transmission at a line-of-sight range of up to 1100'—making it well suited for a variety of applications, including film/TV production, concerts, and live events.