The Sennheiser G4 300 Series Wireless Lavalier ME4 Microphone Bundle Kit from B&H includes an SK300 G4-RC bodypack transmitter, an EM 300-500 G4 wireless true diversity receiver with power supply, a GA3 rackmount kit, two rod antennas, two AA batteries, and an ME 4 cardioid condenser lavalier microphone.
In addition, Sennheiser Control Cockpit Software (download) offers easy handling, control, and maintenance for the Digital Wireless System. It provides a global overview of all network-enabled devices, shows all status information, and makes setting adjustments very easy. This kit has everything you need to capture audio in live stage, theater, rehearsal, and presentation applications.