GTD Audio U-35L UHF Wireless Microphone System with Headset Lavaliere Microphone 2 Channel UHF Receiver with 2 Body Pack Transmitter, Lapel, Headset Mics Individual volume controls on each Channel 300 feet ( 100 Meters ) Range Carrier Frequency: UHF 530~560MHz Two XLR Balanced and one 1/4" Unbalanced output