The Solidcom C1 Pro is a revolutionary wireless intercom headset system from Hollyland. It features dual-mic Environmental Noise Cancellation (ENC) technology, DECT 6.0 technology for enhanced stability, and a wideband audio range of 150Hz to 7kHz. With a reliable range of 1,100ft (350m), increased portability and durability, and compatibility with previous models, the Solidcom C1 Pro is ready to use straight out of the box. It also offers advanced features such as A & B dual grouping, three-system cascaded connection, and an ANNOUNCE function.