These speakers have exceeded my expectations. They sound much better, especially the bass, as for example the Logitech S-120 2.0 PC Speaker System OEM black at the same price that I had connected for comparison. There is no bass is practically audible in the Z120 already. Who wants to hear the way radio over the Internet at work or who listen to music or games on the notebook will replace the puny laptop speaker, will be satisfied with the Z120. Very handy is that they do not need an extra power outlet but are powered via USB, so even on a greenfield site in the park, including notebook can be operated. Those looking for speakers in order to provide sound his living room, unfortunately (as expected) to be disappointed.
The processing of the speakers is good and high quality, however, the cable could be a bit longer, but that is bleating at a high level. In short, the Z120 sound better than other speakers in this price range, no more, no less.