The EM 300-500 G4-GBW is a high-performance true diversity receiver, engineered for use with Sennheiser’s evolution wireless G4 300 and 500 Series systems. Housed in a rugged half-rack metal enclosure, it delivers enhanced RF reliability, extended bandwidth, and increased transmission power, making it suitable for large-scale live productions, broadcast setups, and fixed installations. Designed with the requirements of audio professionals in mind, the EM 300-500 G4-GBW ensures stable signal reception even in challenging environments, offering consistent operational control via an intuitive OLED display interface. This receiver supports network integration and remote management through WSM (Wireless Systems Manager), enabling efficient frequency coordination and system monitoring across complex wireless setups. Its broad frequency range allows for greater flexibility in multi-channel configurations, while the full-metal construction supports long-term durability in mobile and fixed-use scenarios. The EM 300-500 G4-GBW is trusted in professional AV contexts where signal integrity and reliable operation are essential. Whether deployed in corporate events, live touring, theatre productions, or broadcast studios, it plays a critical role in delivering clear, uninterrupted wireless audio transmission across demanding applications.