The Sennheiser EM 300-500 G4-AW+ is a versatile, rack-mountable wireless receiver from the evolution wireless G4 300/500 series, operating in the AW+ frequency band (470 to 558 MHz). It is designed to work with a wide range of Sennheiser G4 handheld and bodypack transmitters, providing a reliable RF platform for receiving audio in professional applications. This receiver model features an enhanced true diversity reception system with two antenna inputs to combat signal dropouts, a backlit LCD display for clear monitoring of frequency, RF level, and audio parameters, and a comprehensive set of audio outputs including balanced XLR and unbalanced 1/4" jacks.

Part of the flexible 300/500 series, this receiver can be configured for different levels of functionality via optional plug-in modules, though it operates as a capable standalone unit. It supports the G4 series features such as an intelligent battery indicator for compatible transmitters and a rugged metal construction suitable for touring and installation. The EM 300-500 G4-AW+ receiver is a core component for building single-channel wireless systems for vocal, instrument, or lavalier applications in live sound, theater, and corporate AV, offering a balance of performance, features, and value within the Sennheiser wireless ecosystem.