●Conference system Main Unit PA-250M has discussion function. 
	●The main unit can support 60pcs delegate units and chairman units, it could be extended to support more than 500 units by adding more extension main unit PA-EPS600. 
	●It attached an approx 13-meter long cable used to connect main unit and delegate units, and the cable length can be custom-made according to the actual situation. 
	●With three group 8P-DIN sockets for units connection, each group can connect 20 units at most. 
	●With three groups audio signal output connectors. 
	●Main unit can be installed in the 19 inch standard cabinet. 
	●Designed to accord with ISO and IEC914 standards. 
	●Frequency response:100Hz-18kHz 
	●S/N Ratio: >75dB 
	●THD: < 0.1% @ 1kHz 
	●Power Consumption:100W 
	●Power Supply: 220-240V,50/60Hz 
	●Dimension(WxDxH):483x240x44mm 
	●Weight:3.5Kg 
	 
	●Chairman Unit PA-250C/Delegate Unit PA-250D has discussion function 
	●With anti electromagnetic, mobile phone interference function 
	●With TALK button and indicator, can control and display speaking status 
	●Unidirectional condenser microphone, avoidance of airflow & plosion, equipped with windshield cover 
	●Bendable mic pipe equipped with annular red indicator, it will light when turning on the microphone 
	●The power supply for all the microphone units is provided 18V safe voltage by the main unit 
	●Equipped an approx 1.5-meter 8PIN DIN cable for "T"type connection 
	●The Chairman Unit has priority button, pressing it can turn off all the Delegate Units 
	●The Chairman Unit's quantity is unrestricted in the system, and it can be connected in any position 
	●Accord with IEC 60914 standard and UL & CE certificate 
	●Frequency Response:40Hz-16kHz 
	●Sensitivity:-42dB±2dB 
	●Gooseneck Length:390mm 
	●Dimension:153mmx135mmx58mm 
	●Weight:0.5kg