Shure BLX88 Dual-Channel Tabletop Wireless Receiver (H11: 572 to 596 MHz)Key Features For Small Venues and Conference Rooms Dual Channel, Portable Tabletop Design Internal Antenna Diversity 123 Auto Scan Frequencies Expandable to 12 Mic Channels 300' Range The Shure BLX88 is a dual channel tabletop wireless receiver compatible with two BLX1 bodypack or BLX2 handheld transmitters. Compact and lightweight, it houses internal antennas, and is ideal for portable use. The BLX88 features one touch QuickScan frequency selection