BradumPower consumption and Power Output is 2 different things. That being said, the term "power output" is very subjective and is dependent on many factors and parameters. More important are distortion, frequency range , frequency response, power duration, SPL amoung other factors. Many maufacturers either don't list this infprmation or make is difficult to find it. Your best bet is to just listen to it in your local big box and or read many reviews [2,3,4 star]