The Sennheiser EM 100 G4 Wireless Receiver is designed for use with Sennheiser 100 G4 series transmitters. Featuring true diversity for flawless signal transmission the EM 100 G4 has a wireless range of 100 metres (300 feet) and is perfect for large performance venues and outdoor events. The Sennheiser EW 100 G4 provides up to 42MHz tuning bandwidth within the reliable UHF range along with instant frequency allocation for up to 12 receivers and convenient synchronisation via infrared. The EM 100 G4 receiver has half-rack full-metal chassis with an intuitive LCD display and comes supplied with a GA 3 rackmount kit.