The Shure's BLX14/SM35 is a wireless microphone features world-class design and rock-solid build quality, as well as simple setup and operation. Frequency selection headaches are a thing of the past thanks to Shure's cutting-edge QuickScan technology. The BLX4 receiver, the BLX1 bodypack transmitter, and the MX153 headworn microphone are all included in the system. This microphone is sensible, economical alternative if you're ready to perform untethered. Enjoy Shure's legendary sound and performance. With the Shure BLX14/SM53 Headset Wireless System, you can confidently take the stage.