tender for supply of sound system sets to south goa zilla panchayat , sound system set - 1 set consisting of 1 mixer amplifier with digital player, 2 pa cabinet loudspeakers, 5 pa microphone stands (2 big + 3 small), 5 microphones with cords and connectors and 1 speaker parallel wire coil- 50 mtrs. with the following specifications:- a) mixer amplifiers wih digital player-6 mic, 2 aux inputs. with built-in mp3 player. bluetooth facility. preamplifier and line output for connecting to a booster amplifier and for recording the programme. line input for connecting the output from any external pa mixer or another amplifier. resettable circuit breaker for protection against overload and short circuit. instant transfer to dc power (car battery) if ac power fails. b)pa microphones with cords and connectors - upper mid-range presence peak for intelligible sound and ideal for close-to-lip singing. accentuates warmth and clarity. frequency response : 50-16,000 hz sensitivity : 2.0mv/pa impedance : 300 supplied with quick detachable holder with 3-pin professional xlr connector & 10m twin core shielded low noise cable c)pa cabinet loudspeakers a single 30.48 cm (12) full range dual cone speaker and a tweeter. 100w or above continuous power. ergonomically designed handles for easy portability. stand mount adaptor at the bottom. d) pa microphone stands - adjustable microphone stand excellent, all-purpose microphone stand thats perfect for the stage, height adjustable for 90-148 cm, adjustable boom makes positioning microphones easy e) speaker parallel wire coil- 50 mtrs.