QSC RMX5050 5000 Watt 2 Channel Amplifier. Advanced thermal performance, delivering higher continuous power in 2-ohms stereo or 4-ohmsbridged applications; Dual mono, high current power supply for increased reliability and performance; 3RU chassis only 16"deep; Professional quality performance—incorporates road-proven QSC designs; High-current toroidal transformers for greater 2 ohm power and low noise; Independent user-defeatable clip limiters reduce distortion; Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom; Balanced 1/4" (6.3 mm) TRS, XLR, and barrier strip inputs for maximum flexibility; Binding post and Neutrik Speakon™ outputs; Front mounted gain controls for easy access; Signal and Clip LED indicators to monitor performance.