Originally Posted by: Andrew Sa362? 482i? or 882i?
but what is the difference between the three

The 362 is stereo, but both channels are processed identically.
The 482 is stereo, and each channel has its own controls. Inputs and ouputs are unbalanced (instrument cables).
The 882 is the same as the 482, but has balanced inputs and outputs (ex: mic cables).

For guitar, either the 362 or 482 wil do the trick.

However, sonic maximizers or aural exciters don't perform any miracles. They pretty much are glorified EQ's that let you boost bottom and top end that'll create the illusion of a "clearer/heavier" sound. A nice use for it is for when you're recording an acoustic guitar with old string that sound a bit dull.

The reason I asked why you use it on a high end amplifier like this is because I would assume it doesn't need it. I used the 482 for a while thinking it improved my sound. Dear god I hate using that thing on my guitar now.