AKG PW45 Instrumental Set Band M - Perception UHF wireless system with pocket transmitter, switchable frequencies, M range (823 - 832 MHz), up to 6 systems parallel, 9.5" diversity receiver with internal antennas, adjustable output volume, XLR out, transmitter requires 1x AA or rechargeable battery, low battery display, on/off/mute switch on transmitter. Includes power supply, MKG L cable and 1x AA battery. Please note: Due to every country having different regulations, you may need to Contact your local licensing authorities before using a wireless system.