... on the compaction of construction, limitation of parts's specification and tone, style, full of energy, a sense of a strong ... resonance, very stable, has class 3 and class 4H diagram design,low consumption,less heat. Material are ... ,1V,1.4VSegregation>70dBPower supplyAC220-240V,50/60HzDimensions580X580X160mmTotal19kg C-12 2-channel professional amplifier