The Shure BLX 288PG58 Dual Handheld Wireless Microphone System features two PG58 handheld vocal miss for superb audio clarity for singing and speaking applications. The receiver features a one-touch Quick Scan frequency selection that automatically locates the clearest channel to operate in. XLR and 1/4 inch output connectors allow you to easily incorporate the Shure BLX wireless mica system into any setup! Note: Actual range depends on RF signal absorption, reflection and interference.