TechSpot has posted a review on the Creative MegaWorks 510D 5.1 System
The MegaWorks 510D features a rather almighty subwoofer, offering 150 Watts RMS of power & weighs in at about 20 pounds. Far from being just a powerful Subwoofer it offers several distinctive features that separate it from other multimedia systems. The most distinctive feature being that it uses a non-ported (Or acoustic suspension enclosure to be more accurate) down-firing one. The main benefits of this are that it eliminates port noise altogether (obviously) & provides a better transient response as compared to ported systems. Conversely using a ported design would improve bass efficiency for much lower frequencies.Read more
