The Shure BLX14R Wireless Rack-mount Guitar System combines professional-quality sound with simple setup and up to 14 hours battery life for legendary audio performance right out of the box. The system includes BLX4R half-rack single-channel receiver, BLX1 bodypack transmitter with WA302 instrument cable, power supply, 2 AA batteries, windscreens, rackmount kit, 2 1/4 wave antennas, zipper bag, and user guide.