the t.bone IEM 150 R - 863 MHz
the t.bone IEM 150 R - 863 MHz, UHF stereo In-Ear Bodypack Receiver, For the IEM 150 system, Frequency range: 863 - 865 MHz, 3.5 mm HEadphone jack, Volume control, Balance control, LED display, Belt clip, 2 x AA battery or rechargeable battery, Includes earphones, silicone eartips