RJM Mini Amp Gizmo. Allows you to switch channels and other changes on any amp with any MIDI pedal.
http://www.rjmmusic.com/miniampgizmo.php
Mine is in Like New condition.
$150 shipped
Awesome delay pedal. Too many options to list. Premium delay in pedal form.
Costs $259 plus tax new. Mine is in excellent condition. Just don't use it anymore. $199 shipped.
Here's the link with all the details...