DIGIHERTZ ADUIO 2U Professional Power Amplifier Model-Dah1200, 1200 Watt(2 x 1200W)@ 4 OHM Dual Channel Balanced XLR interface, professional speak on output socket multiple connection mode Removable dustproof net design, make the maintenance more convenient Built-in clipping limit circuit to reduce distortion, protect the speaker work normally Large transformer with high efficiency, large capacity filter capacitor ensure power amplifier 1200W (2x1200W)@ 4OHM, dual-channel