bids are invited for provision of sound reinforcement system in convocation hall tagore hall and shankar lal hall supply, installation, testing & commissioning of front-of- house left clusters with a 14 lf driver or better and multiple mf / hf drivers ( more than 4 ) , biamplified 2 or 3 way array loudspeaker system; with individual module free field frequency range ( -10db ) of 55hz - 18khz or better & continuous power handling of >= 750w lf + 150w mf / hf. the loudspeaker module shall have a max. spl ( peak ) of mf / hf>= 130 or better. it should have horizontal near dispersion pattern of 100º or better, vertical dispersion of the array shall be 40 degrees or better. total quantity : 5796