Listen Technologies LT-803-072-01 3-Channel Stationary RF TransmitterFor businesses or venues requiring anywhere from one to three channels of assistive listening audio, the LT 803 072 Stationary 3 Channel RF Transmitter is an excellent choice. Universal inputs allow for the use of nearly any audio source including mixers, micrphones, MP3 players, and more, and our signature Look & Listen (TM) LCD display provides immediate information about channel, lock, and RF power. The LT 803 072 also includes a power supply