Taken from Gizmodo's coverage.
Is that a Blues Junior he's amping through?
Why... :numbness:
I don't know for sure but I think it really is a dual path with cabs off through the fender and cabs on through FRFR. I suspect it's for visual purposes since he's really making it a point to show that his rig is small... and even his last real amp is smaller than an AC30. There have been at least 3 live events with this configuration.
It looks like he's using the AxeFX for effects and running through the Fender amp.