I actually use a set of Dell tower speakers plugged directly into my X3 Live, I power them with a USB power supply that was for an older phone. They work great, it is not AMP sound, but good enough for me to hear the tones and the delays. I am actually saving for the 800W Line 6 Powered speaker, this will become my new "Amp" behind my X3 Live. I will be able to use it in Monitor mode on stage withoug interrupting my sound fitn another amp trying to compete with my modeling.