ULTRA-EFFICIENT UPDM POWER: Leveraging Unipolar Pulse Density Modulation (UPDM) technology, this amplifier delivers massive power with ultra-low energy consumption HIGH-OUTPUT PERFORMANCE: 4 x 800W RMS at 8-Ohm Stereo, 4 x 1520W RMS at 4-Ohm Stereo, 2 x 2100W RMS at 8-Ohm bridge FLEXIBLE OPERATING MODES: Easily switch between Stereo, Parallel, and Bridge modes to perfectly match your system's power and channel requirements PRECISE INPUT MATCHING: Selectable input sensitivity (0.77V / 1.0V / 1.44V) ensures optimal signal levels from source devices. Built-in overload safeguards protect your connected PA speakers and subwoofers for worry-free operation TOUR-GRADE, LIGHTWEIGHT 1U: Packing immense power into a rugged, heavy-duty 1U rackmount metal chassis. Remarkably lightweight for effortless transport and setup