Ben Saylor wrote: > Hi, > > I have a new Dell laptop with a headphone jack as the only external > audio output. With headphones, the sound quality is good and there is > little noise to be heard. However, if I plug in my monitors, the > output crackles and hums, regardless of the mixer levels. There is I bought an Edirol UA-1A USB DAC. http://www.edirol.com/