Its 120v input and 9v output, and adaptor would most likely work well with it, since you just need one to step down the 240v input to 120v, so the box will be getting all the juice it expects. On Thu, 2003-11-06 at 12:14, aking@xxxxxxxxxx wrote: > Hi All, > > I'm considering buying a secondhand M-Audio Quattro. There are plenty of > them popping up on ebay all the time. The problem is I live in Australia > and the quattro uses an external power supply - does anyone know if a > Quattro bought in the US can be made to work on Australia's 240V mains > power - either through an adaptor or a different power supply? > > Cheers, > > - Adam >