OBT-6000 Master (Discussion) Voice Conferencing Digital Control Meeting Microphone Conference System   Master with discussion of meeting system of OBT-6000 Digital control the master and unit.     Can be operated independently or ombined with external computer software.     With the functions of  discussion/election/council,multi-language distribution function (6+1).     System with high-quality sound effects.     With Development Mode (FREE), first in first out (FIFO), restrictions on speech (LIMIT).     Display language simplified Chinese/Traditional Chinese/ English.     Chairman can elect a Chairman private/Chairman ordinary.     With president tone select  Yes /No.     LCD 122X32 dot matrix display display.         Four terminals can be connected to the main cable conference units more than 60 groups and with load and short circuit protection function.    Using 250 units imultaneously can be realized if add expansion device.     1 line of audio signal input terminal and other audio input device.     1 line of MIC input terminal.     3 lines of audio signal output terminal.    Distribution module with multi-languages.     Computer management software.  Built-in 1.5W speaker monitor.   meet  conference facilities standards and international safety UL, CE certification, CCC.       Shenzhen OBTPA Technology Co., Ltd(www.obtsys.com) is a company which integrates research & development, manufacture and sales. It stands out of the high-tech industry realm of public address system among other competitors. Our company has been always adhering to the business philosophy of continuous innovation and creating value from customers since 1999 when the company established, hence a various of products has been successfully used in the big famous events such as the Olympic Games, World Expo, Asian Games, etc. these achievements make us gain a various of patents and establish a good brand image in the industry. All products have assed CE, FCC certificates, and the “OBT” brand trademark has been registered in the European Union, the United States and Japan. Our company has always focused on the innovative development of audio and video applications. Its products cover analog PA system, digital PA system, SIP video PA system, POE network audio speaker, professional audio speaker, paperless conferences, video conferences and other products, after more than 20 years of development, we have independent research and development, production and application design capabilities, can well solve the compatibility, reliability and advanced issues of communication, emergency, command and other issues. Products are widely used in the safe cities, smart parks, smart campuses, smart hospitals, and smart stations and other fields, successfully established a good brand image—OBT. We are committed to developing into a world-class video integration PA system manufacturer.