bids are invited for chennai airport 1 21 supply of 250w high wattage mixer amplifier 6 mic and 2 aux inputs or above , supply of 1 x 10 or 12 inch 2 way lf 250w speaker box in rugged moulded cabinet or better , supply of 2 x 10 or 12 inch 2 way lf 250w speaker box in rugged moulded cabinet or better , supply of active power speaker box 250 w or above in rugged moulded cabinet , supply of handheld microphone , supply of wireless desktop microphone , supply of wireless handheld microphone , supply of wireless handheld and lapel collar microphone , supply of goose neck microphone with base unit , supply of goose neck microphone suitable for mic stand. , supply of audio mixer with 12 mic or line balanced mono input channels and 2 stereo balanced input channels or better , supply of audio mixer with 6 mic line in either balanced or unbalanced configuration , supply of mp3 mp4 player with usb , supply of speaker cable 2 point 5 sqmm x 2 core , supply of microphone cable ofc 10 mtrs length , supply of microphone cable 1 mtr length , supply of 1 point 5 sqmm xlr to audio pin 3 mtrs length , supply of 1 point 5 sqmm xlr to audio pin 5 mtrs length , supply of 1 point 5 sqmm xlr to audio pin 10 mtr length , supply of hdmi cable 10 mtrs length , supply of 19u equipment rack with accessories and wheel , supply of adjustable steel microphone table or floor stand height 690 to 1000 mm or above , supply of adjustable steel microphone floor stand , supply of adjustable speaker stand procurement of pa system equipments for cisf barrack at total quantity : 378