These bad boys push and are the undisputed heavyweight of computer speakers. Unfortunately they at 100W (real, RMS watts) and $500 they too expensive and too specialized for the mainstram market, but everyone who tested them agreed they were the best sounding, loudest speakers ever made for a Computer. At $169 they are a steal!! Go to Diamond's website and click on the 4100 banner http://www.diamondaudio.com/multimedia/index1.html