bids are invited for p a equipment speakers and its assy p a system 400 watt - gain 26 to 28 dbbandwidth 50 to 15000 hzinput impedance higher than 50 k ohmootput impendence low 4 and 8 ohmpower output 100 v or 70 v noise figure lowerdistortion low less than .05 percentageslew rate higheroperating voltage 220v - 240v ac and 24 volt dccmrr common mode rejection ratio - higherdigital player usb sd mmc bluetoothprotection over load short circuit and temperature , p a system 250 watt - gain 26 to 28 dbbandwidth 50 to 15000 hzi/p impedance highero/p impendence low power 70 v and 100 vnoise figure lower distortion - low slew rate - highoperating voltage 220v - 240v ac and 24 volt dccmrr common mode rejection ratio - high , portable pa system 50 watt - gain 50 wattbandwidth 50 to 15000 hzi/p impedance higho/p impendence low power 50 wattnoise figure lower noisedistortion lowslew rate - highercmrr highwireless range higer than 10 meterstone control bass & treble 5 db 100 hz & 10 khzdigital player mp3 usbbluetooth & recording function , audio mixer 16 ch - frequency balance 20 hz to 48 khz dynamic range 20 hz to 48 khz signal to noise ratio - 24 dbdistortion low eq setting 11 present eqs high plus minus 15 db at 10 khz compression load peaks from over poweringrevels and spatial effects 24 effects yesaudio format stereo and mono - analogbit depth 192 khz , two- way line array speaker - frequency response 50 to 20000 hzsensitivity above 90 dbimpedance 4 comma 8 ohmfrequency range 70 to 20000 hz coverage pattern nominal 100x15snr 60 db distortion 24 dbconnectivity options xlr trs usbpower output 1000 wpower consumption 500 vamaximum spl peak db 122 , cabinet speaker 400 watt - frequency response 50 to 20000 hzsensitivity above 90 dbimpedance 8 ohmspl 101 dbsnr 60 dbdistortion very low harmonicconnectivity options xlr trs usbpower 400w or 800w , cabinet speaker 200 watt - frequency response 55 to 20000 hzsensitivity very high above 90 dbimpedance 8 ohmsnr 60 dbdistortion 100 dbconnectivity options xlr usb trs power 200w or 400w , active speaker - frequency response 50 to 20000 hzsensitivity above 90 dbimpedance 4 comma 8 ohmsnr 60 db distortion 100 dbconnectivity options xlr trs usb , cord less mic 2 way - band uhf duel range 100 mtr sensitivity higher 2 mvdisplay on tx and rxfrequency response 20 hz to 20 khzimpendence 1000 ohmsnr 60 db 1 khz 94 db standarddynamic range 20 hz to 20 khz sound presser level 101 dbpolar pattern 90 or 270 degreetype of mic high quality unidirectional , goose mic with base - frequency response 20 hz to 20 khzhigh sensitivity 2 mvlow impendence 50 ohm to 1000 ohmsnr 60 dbdynamic range 20 hz to 20 khz sound presser level 101 dbpolar pattern 90/270 degreetype of mic high quality unidirectional , goose mic with ring led indicator with base - frequency response 20 hz to 20 khzhigh sensitivity 2 mvlow 1000 ohmsnr 60 dbdynamic range 20 hz to 20 khz sound presser level 101 dbpolar pattern 90/270 degreetype of mic high quality unidirectional , coller mic - frequency response 20 hz to 20 khzhigh sensitivity 2 mvlow 1000 ohmsnr 60 dbdynamic range 20 hz to 20 khz sound presser level 101 dbpolar pattern 90/270 degreetype of mic high quality unidirectional , xlr mic dynamic - frequency response 20 hz to 20 khzhigh sensitivity 2 mvlow 1000 ohmsnr 60 dbdynamic range 20 hz to 20 khz sound presser level 101 dbpolar pattern 90/270 degreetype of mic high quality unidirectional , mic stand small , mic lead 10 mtr , mic lead roll 90 mtr total quantity : 51