The Logitech speakers are much more powerful than the Tyros speaker system. You can get a set of Z-2300 $150.00 you can't beat it. I have 3 sets of Logitechs. To hook them to the Tyros I use an adptor "1/8 sterio to "1/4 sterio & plug it into the headphone jack on the Tyros, works great. You can also use a spliter, plug into main outs on the back of the Tyros. The Logitech comes with a "1/8 sterio plug so you have to use an adptor which ever way you go. I hope this helps.

Jim