The Logitech G51 Speaker System is rated for 155 Watts so while it's not the most powerful set of Speakers in the Logitech product line these can turn 2-channel sound into intense 5.1-channel audio. After using them, I'm not quite sure if they were even created with the PC in mind. Connecting these speakers to a game console or MP3 player seemed to really be the driving force behind this product...