Clear-Com TR-50 - Monaural IFB Talent Receiver for Encore SeriesThe Clear Com TR 50 is an amplified, single channel portable IFB talent receiver, with a monaural earphone, designed for connection to that company's PIC 4000B program interrupt controller, as a component of a multi participant IFB system. The attached cable is a standard 3 pin XLR microphone type. The feather light, ultra simplified TR 50 design features a volume control and a mini jack earphone input; the unit is about clean amplification and