The Sennheiser EW IEM G4 is a professional UHF wireless in-ear monitoring (IEM) system from the Evolution Wireless G4 series, engineered for live performers, stage monitoring, theater, broadcast, and corporate events. It features the SR IEM G4 stereo rackmount transmitter and EK IEM G4 stereo bodypack receiver, providing stereo audio with HDX companding for interference-free transmission, 1,680 tunable frequencies, and up to 100 m range. With 20 frequency banks, infrared sync, adaptive diversity, and Ethernet connectivity for Wireless Systems Manager (WSM) software, it's scalable for multi-channel setups—offering rugged metal construction, adjustable limiting, and compatibility with IE4 earphones (included) for clear, detailed monitoring.
