SHURE BLX WIRELESS MICROPHONE SYSTEMS. LEGENDARY SOUND, RIGHT OUT OF THE BOX. WIRELESS FREEDOM, MADE SIMPLE. Making the jump to wireless should be liberating, not challenging. Shure BLX Wireless Systems combine professional quality sound with simple setup and an intuitive interface for performance you can trust right out of the box. Precision built and available in a variety of handheld, lavalier, instrument and headset configurations, it?s the most accessible way to own the stage.