the t.bone IEM 75, UHF Wireless In-Ear System, No license is required and no charges are incurred when used anywhere in Europe, Consisting of: 9.5"" Stereo transmitter IEM 75 ST, bodypack receiver IEM 75 R and t.bone EP3 earphones, Up to 2 systems parallel, Frequency range: 863 - 865 MHz, RF and AF indicator on the transmitter, Mono or stereo operational mode, 2 Jack/XLR combo inputs on the transmitter, Adjustable headphone output, Operates with 2x AA batteries (not included, Article Nr #136681#), Detachable BNC antenna, Including rack-mount and power adapter@+*Remark:* No license is required and no charges are incurred when used anywhere in Europe