Sennheiser evolution G4 Wireless In-Ear Monitor System
The Sennheiser evolution G4 wireless in-ear monitoring system is engineered for professional live sound with easy and flexible wireless synchronization and high RF output power. This system features one stereo transmitter and one bodypack receiver.

Sennheiser 2000 Series In-Ear Monitor Quad Transmitter Pack
The Sennheiser 2000 series in-ear monitoring system is designed to meet the highest demands for audio quality and RF transmission and is a top choice of professional touring, broadcast, musical and theater applications. Network compatible and remotely controllable, this quad transmitter pack allows up to 32 factory preset channels in each of the 20 frequency banks.

Sennheiser evolution G4 Wireless Bodypack Receiver
The Sennheiser evolution G4 wireless in-ear monitoring system is engineered for professional live sound with easy and flexible wireless synchronization and high RF output power. This system features one stereo transmitter and one bodypack receiver.