Here's our pal Dex of Dex Audio showing how a Sub Pro can be used to turn a mono guitar stereo. The Sub Pro is dividing the guitar - Three strings are going to one 5w amp, three string to the other, with some modded pedals in between. There are so many benefits to this kind of setup. You get amazing control over how you want the sound to break up, the sound is really cinematic when it is coming from two places in the room. I've mixed this very wide to emphasise the effect - you'll notice this es