The Sennheiser EM 300-500 G4 is a true-diversity, half-rack wireless receiver housed in a rugged, full-metal chassis and compatible with the SK 500 G4 bodypack transmitter and the SKM 500 G4 handheld transmitter. It offers professional-level features for enhanced reliability and control, including variable RF power, a wide 88 MHz bandwidth, Ethernet networking for multi-channel setups, and an intuitive interface with an OLED display and jog wheel. The receiver delivers high-quality, reliable audio to presenters, clergy, lecturers, and performers working in business and educational settings, houses-of-worship, theaters, or on musical stages.

The EM 300-500 G4 is backward-compatible with all previous evolution systems. You can mix and match G4/G3/G2/G1 bodypack or handheld, and plug-on transmitters. It is also compatible with EW 100 systems.