The SHURE ULXS4 with the included J1body pack is a professional wireless mic system for use with wind or stringed instruments, or for public speaking with lavalier mics. (Mic accessory would be a 4-PIN mini connector) Great range for interference-free use, if ever needed in high-wireless environments, easy frequency change at the tap of a button, and completely rack-mountable. (Rack hardware not included.) Items included are the transmitter, receiver, antennas, and power cord. READY TO SELL, READY FOR IMMEDIATE SHIPMENT!