For those who are unsure if the sound quality is sufficient to own claims, it is very difficult to give an objective assessment of the sound of these speakers. I would make the decision on the type of application depends on her. For people with above-average claims, attach importance to a good music playback, there are probably better and therefore much more expensive solutions. Who needs a loudspeaker is easy to install, takes away no space on the desk, no extra power supply needed (at least in the Dell U2412M Monitor) and occasionally even watching a movie or listening to the radio, or the Windows Sounds will enjoy this speaker absolutely right. The sound is definitely worse than, say, the MOBI Wavemaster because blechener and less clear. This may help a little for orientation. The AC Power Adapter that came with the speaker and is not needed, has a 12V, 1A output and could possibly be used for other things. Since the price was almost the same with or without power supply, I am for the decision with power supply. A price of 29.00 EUR I find more appropriate, but I would much more reluctant to spend on it. Due to the quite acceptable sound, the quite respectable processing and good concept I forgive times 3.5 star, rounded up to 4 because the price also still fits.