Shure BLX14R Q25, UHF Wireless System, SM Guitar Series, BLX1 Bodypack, Up to 12 systems simultaneously, Pilot tone, Microprocessor-controlled antenna diversity, Quick-Scan function to locate open frequencies, Pocket transmitter with 4-pin TQG connector, 9.5"" / 1 U Metal receiver, Removable BNC antennas, XLR