I don't want to tell you incorrectly...but I think any generic latching type footswitch (which is what that probably is in the picture) will work with your dual rec. i use the switching outputs of a behringer fcb1010 on my solo 50 and it works fine for switching channels.
having said that, two other amps I own...legacy and a 5150...will not work with anything but the footswitches that came with them. i tried a generic one on them and they wouldn't switch...but those are different amps.
of course, with a single footswitch you won't have access to the solo lead boost feature via footswitch.
