Sennheiser evolution wireless users have come to expect an ever-evolving feature set with each new microphone generation, and evolution wireless G4 is no exception: With a sleek new user interface, a generously expanded switching bandwidth and higher RF output power for the 300 and 500 series, new multi-channel functionality for the 100 series and brand-new on-camera systems, G4 delivers high-quality, reliable audio for musical performances, houses of worship, theaters, business and education settings as well as camera work. Launched at NAMM, the series will be available from April 2018.