FINE & FINE power

output power ( RMS )8 ohms 2 x 500 output power ( RMS) 4 ohms 2 x 750 frequency response  +- 1 db (hz ) 20-20 k thd ( 20 hz-20 khz )<0.03% crosstalk (20 hz-20 khz ) 60 db slew rate 40 damping factor  ( 20 hz-1 khz)250 voltage gain ( db) 30 input impedance <balance>( k ohms ) 20 input lever ( rated power@ 8 ohms ) 0.775 v /1 v /1.44 v signal noise ratio ( db )> 103power consuption  into  8 ohms 1000 watts back space 2 u exterior finish metal house and front in 9 different colors you prefer input  cnector xlr ( x2 )1/4'' phone trs (x 2 ) output conectors binding post ( x2 ) speakon ( x2) power supply 220 v +-10% 50 hz/60 hz/(110 v/60 hz ) weight 21.5kg