500W x 1 Maximum Power. 300 Watts x 1 RMS Power. 400 Watts RMS x 1 at 2 ohms. 200 Watts RMS x 1 at 4 ohms. Class D design. Variable low-pass crossover. Variable bass boost. Built In Crossover. Subsonic filter. Speaker and preamp level inputs. Preamp outputs. Gold-plated connectors. Remote bass control.