... /Function:1.Technology:Built - in 2.4G wireless digital receiver.2.Channels:Digital frequency wireless channel is more than 1000pieces.3.Linking time ... 12.With five line wired MIC input,a 2.4G wireless MIC input,three line audio input13.With two line ... , Multi-function Room, classroom and conference room.15.Selectable wireless MIC:1090,1060.More Specification:selection guide:assembleSpace(SQM)Model ...