I suppose that if I were writing about luggage, this Trip by Travelteq would be prime posting material. As it is, this is a home theater blog, and this is both a suitcase and speaker.
I don’t have a record of the wattage, but you can also use it as a chair. There is another version of this suitcase known as the Trip Sound, and it has detachable speakers incorporated into the suitcase itself. The Trip Sound can also juice up your iPhone or Blackberry.
The price is somewhat high. The Trip Sound runs for €650 and the regular Trip for €595.