The DAP COM-ART is a PLL UHF wireless audio set. It contains one transmitter and one receiver. The smart and lightweight design enables you to plug the receiver directly on any amplifier or active speaker. Both transmitter and receiver can be powered by one AA battery or an USB power supply. It has a range up to 50 metres in an ideal situation. To use the COM-ART for stereo purposes you will need 2 sets. The frequency range 606-630 MHz is divided in 16 frequency channel presets.