These small speakers are surprising. Obviously the sound is excellent (at Son-Video, the "junk" does not exist), but in addition, they seem to have been designed for the iMac: even aluminum foot "bent" and if like me you Take in white, with their black grille, they fit perfectly to the Apple design. No buttons on off because they are powered by the USB port, all settings are done on the Mac and volume controls are those of the keyboard. In combination with the equalizer iTunes, it's perfect. This is a purchase that I recommend.