The Shure BLX14R/P31 Headset Wireless System gives you world-class design and rock-solid build quality, along with easy setup and operation. Thanks to Shure's cutting-edge QuickScan technology, frequency-selection hassles are a thing of the past. The system includes the BLX4 receiver, the BLX1 bodypack transmitter, and the PGA31 cardioid condenser headset microphone with windscreen. If you're ready to perform untethered, Shure's BLX wireless systems are a smart, affordable choice. Enjoy legendary Shure sound and performance. Take the stage confidently with the Shure BLX14R/P31 Headset Wireless System.