Engineered from the ground up for unmatched quality and performance, the Crown DSI4000 650 watts into 8 ohms, 1,200 watts into 4 ohms and 1,600 watts into 2 ohms. Onboard digital signal processing includes crossovers, EQ filters, delay and output limiting. Rear panel HD-15 connector provides easy input/output connectivity between DSi amplifiers and the new DSi-8M System Monitor. This item is only available for shipment in Canada.