The Shure BLX14-H8E Wireless System is a high quality analogue wireless system perfect for giving both guitarists and bassists the freedom to move around as they perform. Shure BLX Wireless Systems eliminate interference and drop-outs. 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.