Transform the weak, tinny sound from your PC and smartphone into the textured, rich depths of 2.1 stereo with this Nedis® USB-powered 33 W Speaker Set.The two speakers and powerful subwoofer connect to your PC or smartphone by a 3.5 mm stereo connector and can be powered by a USB connection – no external power adapter is needed.The power output of 33 W delivers a perfect sound reproduction that catches subtleties and nuances whilst still catching the full force of that lower range, thanks to the wooden-cased 15 W subwoofer.