The Shure BLX14R/B98 Wireless Rack-mount Instrument 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, B98H/C gooseneck instrument microphone with BLX1 bodypack transmitter, clip-on clamp, power supply, 2 AA batteries, rackmount kit, 2 1/4 wave antennas, and user guide.