CE-800C Chairman unit Including the functions t the delegate unit,chaiman unit has other following functions. The chaiman unit number in the system is unrestricted,can join in any position Equipped with an earphone output jack and wireless Mic input jack. Turn down delegate MIC by press the priority button Indicative sound for chairman unit(optional) CE-800C microphone has the electing and voting functions. CE-800C Mainframe Designed accordance to CE、CB and CCC standards. Built-in power supply device and signal amplify,which can support more than 60 groups of the speech equipment.The system can be extended to 150 units at most. Four groups of 9P-DIN plugs for system connection. Can offer the power and data communication socket for video central processor. Possess the output socket of audio frequency equipment. Equipped with BAL socket for telephone meeting. Built-in telephone coincidence for telephone meeting. Built-in volume prcessor for volume regulating. Built-in 2 x 50W amplifier for volume regulating. Built-in monitor loudspeaker (1W) for volume regulating. System volume can be regulated independently. Equipped with AUX input socket,and the volume can be regulated independently. Equipped with a group of wire microphones input socket,which can regulate volume independently. Equipped with nine LED system audio frequency indicator light. Digital display and working mode indicator lamp on the panel. Equipped with three buttons for choosing mode:set/mode/enter Power consumption:550V Support the function of video camera auto-track. MIC Auto-off function for choose. Installed in a 19-inch frame. CE-801A Delegate unit Designed by the latest digital technology. The system power supply for all the delegate units is provided by the main frame at 24v safe voltage. 1.5m long cable with 9P-DIN plugs for system connection. High quality condenser cartridge,equipped with windshield cover. The annular red indicator lamp could show the state of the microphone. The microphone has a speaking button and indicator lamp;it can control the state of speech. When the microphone is on.the build-in loudspeaker and the side-to-side linking microphone's loudspeaker are in quiet automatically to prevent the whistle. Equipped with an earphone output jack and a REC.Output jack. Frequency Response:100-13KHZ Sensitivity:-44,2dB Referece sound-receiving distance:20-120cm