supply of items as per details given belowitems as per details given below,wall speaker having following specification: (1) power rating: 32w rms/48w max. (2) power taps on 100v: 32/16/8w (3) low impedance: 8î© (4) frequency response: 80-20,000hz (5) spl(1w/1m): 87 db (6) accepted make: ahuja/jbl/mega or similar. [ warranty period: 12 months after the date of delivery ] ] , cordless microphone having following specification: (1) transmitter- (a) rf output power: les s than 15mw (b) microphone element: dynamic, cardoid (c) dynamic range: 80db (d) spurius emission: = 80db (c) distortion: , 16 channel audio mixer having following specification: (1) gain (mic/line): 60db/40db (2) inp ut level sensitivity (3) mic (gain min/gain max): -5dbu/-60dbu (4) line (gain min/gain max): +6dbu/-40dbu (5) main output level (nominal/max): +0dbu (0.775v rms) / +20dbu (7.75v rms) (6) frequency range: 20 hz-20khz (+0/-3db) (7) total harmonic distortion: , garden speaker having following specification: (1) power rating: 30w rms/45w max. (2) po wer taps on 100v: 30/15/7.5w (3) frequency response: 80-20,000hz (4) spl(1w/1m): 90db (5) accepted make: ahuja/jbl/mega or similar. [ warranty period: 12 months after the date of delivery ] ] , audio amplifier having following specification: (1) power output: 750w max. 500w rms (2) i nput channel: 7 x mic 0.8mv/4.7kî©, 2x aux 100mv/470 kî© (3) frequency response: 50-15000 hz +/- 3db ( 4) signal to noise ratio: 60db (5) output: preamp 200mv/600î©, line 1v/1kî© (6) speaker output: 4î©,8î©, 70 v & 100v (7) digital player: mp3 player with usb (8) power supply: ac: 220-240v 50/60hz, dc: 36v (9) acc epted make: ahuja/mega/studio master or similar. [ warranty period: 12 months after the date of deliver y ] ] , master cpu card of coach guidance display board system compatible with fiem make coach guidance system installed at bhavnagar terminus, junagadh and veraval stations of bhavnagar division. o perating voltage should be -5v dc. it should provide output