The PPA T46 transmitter will broadcast a speakers voice or audio program on one of 17 available channels, 72-76 MHz, to listeners using PPA R35-8 or PPA R37 receivers or an R1600 speaker. The unit features flexible microphone and auxiliary input jacks, push-button on/off/mute controls, channel lock and selectable compression. The T46 has the ability to operate in dual channel mode, allowing the user to easily switch between two different transmitting channels, each with its own set up parameters. An OLED screen displays current operating status and menu information.