The Dukane iHear WMIC2B Wireless AV solution allows the instructor or speaker to be heard by everyone in the room. The perfect answer whether it's the classroom or the boardroom the WMIC2B system consists of a small light weight lanyard held transmitter with an attachable mic that sends the voice signal via a digital encoded bit stream at high speed to the receiver. The receiver converts the digital bits stream back to a regular audio output sent to the 30 W stereo audio amplifier and speakers. This results in a conventional sound enhancement or voice augmentation system. The system contains the speaker/receiver with pole mount, body pack tranmitter with lanyard and a lapel mic.There are 20 channels available from 2.400 to 2.480 GHz for operation. Projector and mount not included.