The AKG WMS420 Instrumental Set is a professional multi-channel wireless system for instruments with pilot tone transmission to prevent unwanted noise. The Instrumental Set includes a PT420 body-pack transmitter in a compact and rugged housing providing supreme audio quality for demanding guitars and electric basses. The space diversity receiver offers both a microphone level and a line level output.Includes:1x PT420 Bodypack transmitter1x SR420 Stationary receiver1x Instrument cable2x Receiver antennas1x AC adapter1x AA batteryAKG WMS420 Instrumental Set Wireless System Features:Detachable receiver antennas enable the use of professional RF accessoriesTransmitters with charging contacts saves money in day-to-day use and preserves the environmentCompatible with all AKG MicroMics almost all applications can be coveredLow battery warning indicator for secure operation AKG WMS420 Instrumental Set Wireless System with Instrument Cable - BAND A.