bids are invited for supply of chairman unit for conference system - supply of chairman unit for conference system with built in flexible gooseneck mike, press to talk button, priority switch, headphone sockets with rotary volume control and microphone with light ring led and built in pop & wind shield, nominal acoustic input at the microphone 85db spl, frequency response 400hz to 10khz bid specific oem authorization has to be mandatorily submitted by the tenderer. make or model bosch ccs cml 900 ultro, bose, toa or similar or latest or superior. all necessary accessories required for installation will be supplied or provided by contractor. inspection consignee , installation and commissioning of chairman unit for conference system - installation and commissioning of chairman unit for conference system with built in flexible gooseneck mike,press to talk button, priority switch,headphone sockets with rotary volumecontrol and microphone with light ringled and built in pop & wind shield,nominal acoustic input at themicrophone 85db spl, frequency response 400hz to 10khz bid specific oem authorization has to be mandatorilysubmitted by the tenderer. make or model bosch ccs cml 900 ultro, bose, toa or latest or superior. all necessary accessories required for installation willbe supplied or provided by contractor. , supply and installation of desk speaker and microphone system delegate unit - supply & installation of desk speaker & microphone system delegate unit delegate unit with built in flexible gooseneck mike, press to talk button, headphone sockets with rotary volume control and microphone with light ring led and built in pop & wind shield, nominal acoustic input at the microphone 85db spl, frequency response 400hz to 10khz bid specific oem authorization has to be mandatorily submitted by the tenderer. make or model bosch ccs cml 900 ultro, bose, toa or similar or latest or superior. all necessary accessories required for installation will be supplied or provided by