Four Handheld Transmitters: The kit features four wireless microphones, distinguished by color-coded identification rings (green, orange, blue, and yellow) to help monitor separate channels during live audio mixing.TS3300 UHF Receiver: The rackmount main base station manages all four microphone channels simultaneously. It features dedicated back-lit LCD status displays for each channel, along with manual volume adjust buttons and a master power toggle.Accessories Included: The set comes packaged with its dedicated 12V power supply adapter, a 1/4-inch to 1/4-inch TS audio patch cable, AA test batteries, and structural mounting hardware.