Professional amplifier 1. Have class 3 and class 4H diagram design. 2. ... ,less heat. 3. Reliable quality. Professional amplifierC-series big power amplifier cover from 400WX2-1200WX2/8ohm.2U/3U standard design, it ... ,1.4VSegregation>70dBPower supplyAC220-240V,50/60HzDimensions580X580X160mmTotal19kg C-12 2-channel professional amplifier