Professional wireless microphone system with two handheld transmitters and Diversity receiver. IR-set button, for data transmission from receiver to microphone, for frequency (channel) synchronisation. The PLL synthesizer, Dual channel diversity receiver and the high quality squelch ensure excellent signal transmission. Convenient for presentations, voice and other applications. For other systems there is a bodypack with microphone available (Order No. 179.104 -179.124 - 179.154 to 179.169).