1.KTV amplifier ,H type circuit designer , 2.S/n is higher to ... ,damping factor is up to 1500, 3.welcome to inquiry. KTV amplifier"sound sweet ,power enough,high quality,no limit qualtity",so ... levitate the damage to HFdrivers.IN THE SOLUTION TO LINEAR AMPLIFIER BASED ON LINEAR POWER SUPPLY,THE FOLLOWING INIOVATIVE TECHNOLOGIES PUT ... ohm Bridge>3.2 ohmDimensions 88mm X 482mm X 400mm KTV Amplifier