KNL MA225E Eco-System Integrated Stereo Amplifier • Eco-System(Tm) Circuitry Saves Energy & Is Fully Automatic • Amp Includes Volume/Gain, Bass, Treble & Balance Controls • Two 50 Wpc Peak Power, Two 25 Wpc Rms • Each Channel Protected From Overheating, Overloading, Over Voltage & Under Voltage • Protection Circuitry Automatically Restores Amp Channel As Soon As Its Parameter Returns To a Safe Operating Area • 2Ohm • Compatible With Almost Any Speaker • Gold Rca Inputs Ensure Years Of Reliable Service • Wall Mountable • Includes 100-240 Vac Power Supply