The Shure BLX288E/B58-T11 is a wireless handheld microphone system that delivers all the quality you expect from Shure. Theyve taken one of the most revered microphones in live music and made it wireless. Great sound. Tour-tough construction. But now youre truly free when you perform. And with the BLX88 dual receiver you can run both Beta 58s at the same time. Its perfect for singers and public speakers. Built to ensure rock solid signal from transmitter to receiver Shure BLX Wireless Systems eliminate drop-outs and interference. And thanks to one-touch Quickscan technology all the hard work is done for you. Locating the best frequency for your performance is as easy as pushing a button. No trial and error. No complicated set up. Just one press.