This item was returned in great condition. It looks and plays like new, with only minor signs of use (slight scuffs, etc.). 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. The BLX4 is a half-rack sized wireless receiver built into a rugged, polymer ABS chassis. It features advanced capabilities usually unavailable in wireless systems in this price range.