Sennheiser EK IEM G4-GB

The Sennheiser EK IEM G4-GB is a robust stereo diversity bodypack receiver designed for professional in-ear monitoring on stage. Part of the evolution wireless G4 range, it delivers clear, dependable monitoring across the audio spectrum and is built to withstand regular professional use. The receiver provides a wide tuning bandwidth with flexible frequency selection, making it suitable for demanding live production environments where reliable RF performance is essential. Transmitters and receivers can be synchronised quickly via infrared, simplifying system configuration, while compatibility with Sennheiser Wireless Systems Manager supports more advanced frequency planning and system management. This GB version operates across 606–648 MHz and is specifically identified by Sennheiser as article number 509911. The receiver uses adaptive diversity technology, includes adjustable squelch, offers approximately 4–6 hours of operation from two AA batteries and can be securely attached to clothing or a guitar strap using its integrated belt clip.