Quote Originally Posted by E-Stat View Post
One of the differences has to do with the power supply which can have a significant effect on any audio component. The wall wart on the Touch delivers more current and is interchangeable with SB3. You can buy those for about ten bucks.

I use robust linear power supplies on mine which takes the sound quality up yet another notch.
I will keep that in mind to get more out of the other two SB3's I still use