6800 Watts Peak Output PROFESSIONAL 2CH POWER AMPLIFIER ATL-AUDIO CRX450 Ultra-thin and light-weight design ATR (Accelerated Transient Response) technology for ultimate punch and clarity XLR and 1/4 TRS inputs, Speakon outputs for both channels Each channel has Clip indicator, Temperature protect indicator, and individual Gain controls. Dual rear to front cooling air exhaust vents