Sennheiser EW IEM G4 Wireless In-Ear Monitor SystemDon't be held back. Good monitoring is important. And that's why the Sennheiser EW IEM G4 Wireless In Ear Monitor System has been engineered to give you exactly that. Consisting of a single bodypack receiver, Sennheiser's IE 4 in ear headphones, and a half rack stereo transmitter, you can take advantage of crystal clear monitoring with exceptional durability. An easy to read OLED display lets you configure your system in seconds, whilst also allowing