Unfortunately, these boxes could convince not.
This is due to the buzzing bass with active box and without music. This may in the long term animal nervous (speaking from experience, not just a feeling). In addition, at (very) low volume will only play the opposite box to the music connected to the power, which so far I only know of very cheap boxes.
The sound overall is ok, but for the price not really good / fit.
Therefore, this went straight back what outfit went fortunately, as always with Amazon without problems of.
CONCLUSION:
Not recommendable. Who high-quality boxes looking at the best possible price, comes to the Creative T20 not around (with me ~ 60). Otherwise you may prefer to simply use Logitech or similar for much less.