Having a wireless system on stage gives you freedome to roam wherever the music takes you. The EW 112 G2 lavalier wireless system is the perfect solution to any situation where a lavalier microphone is needed. Body pack Transmitter w/ME2 omni lavalier and rack mountable receiver. Features: Autoscan on all receivers for simple and secure frequency selection1440 frequencies within a 36MHz switching bandwidth for greater tuning flexibilityRobust metal construction for durabilitySmaller bodypack transmitters and receivers(30% smaller than current EW)Pilot tone squelch(defeatable for backwards compatibility with original EW systems)New battery concept(AA cells and rechargeable battery accessories)Transmitter battery status telemetry on all modelsAudio signal metering on transmitter LCD displayExternal charging contacts on 300 and 500 series bodypacksXLR jacks on all rack-mountable units(including 100 series)