Behringer EPX3000 Professional 3000-Watt Light Weight Stereo Power Amplifier with Atr (Accelerated Transient Response) Technology 2 x 1500 Watts into 2 Ohms; 2 x 900 Watts into 4 Ohms; 3000 Watts into 4 Ohms (bridge mode) Ultra-light, ultra-low noise and ultra-efficient switch-mode power supply for noise-free audio, superior transient response and low power consumption Detented gain controls for precise setting and matching of sensitivity Precise Power, Signal and Clip LEDs to monitor performance Professional speaker connectors and "touch-proof" binding posts support most speaker wiring systems