The Hollyland Solidcom C1 Pro 4S is a full-duplex wireless intercom system designed for professional production teams. Featuring one master headset and three remote headsets, it delivers clear, hands-free communication without the need for a beltpack or base station. Advanced Environmental Noise Cancellation (ENC) ensures excellent voice intelligibility even in noisy environments. Ideal for live events, broadcast productions, corporate meetings, and audiovisual projects, it provides reliable communication with low latency and long operating range.