2000 Watts RMS per channel into 2 Ohms, 1350 Watts RMS per channel into 4 Ohms.4000 Watts RMS into 4 Ohms bridged.LED indicators for input signal, DDT and power.Combo XLR and 1/4'' (6.35mm) input connectors.Binding post and Neutrik® Speakon® output connectors.Two dual speed fans.DDT speaker protection.2U space rack.Dimensions (HxWxD): 3.5'' (89mm) x 19'' (483mm) x 17.5'' (446mm)Weight: 43.3lbs (19.7kg)