The Kam KXR4000 is a 400 Watt Stereo Power Amplifier that's 2U rack mountable with low noise making it ideal for commercial installations. It has 2 output modes: 2 channel stereo or 1 channel bridged mode. Protection circuits are incorporated for Thermal, Short Circuit and Overload, and the voltage can be changed from 240V to 110V making it suitable for use in many countries. Output via 2 x SpeakON connectors, 2 pairs of 'banana' binding posts with bridge via binding post. Front LEDs indicate Power, Clip, Signal and Fault status when the protection circuits are triggered.Featuresﾕ Rack Size: 2Uﾕ Output Power Stereo 8 Ohms: 145Wﾕ Output Power Stereo 4 Ohms: 225Wﾕ Bridge 8 Ohms: 450Wﾕ Frequency Response: 20Hz - 20Hzﾕ Input Sensitivity: AC1Vﾕ Maximum Input Level: 5.5Vﾕ Input Impedance Active Balanced: 20Kohmsﾕ Signal/Noise Ratio: 92dBﾕ Dimensions: (L x W x H): ( 533 x 420 x 165)ﾕ Weight: 6.3kg