Behringer Europower EP4000 Professional 4,000-Watt Stereo Power Amplifier 2 x 2,000 Watts into 2 Ohms; 2 x 1,400 Watts into 4 Ohms; 4,000 Watts into 4 Ohms (bridge mode) ATR (Accelerated Transient Response) technology for ultimate punch and clarity Switchable limiters offer maximum output level with reliable overload protection Detented gain controls for precise setting and matching of sensitivity Precise Power, Signal and Clip LEDs to monitor performance