I can't remember where I read it, I think it may have been a guitar world interview, but I heard when they play live they run straight from line outs on marshall heads into the mixing board. I remember recalling that it seemed weird that they didnt mic anything, but when you listen to it, they do have some trebley ass thin guitar tone, so it makes sense to me. As for what they do in the studio I have no idea. It may just be my opinion, but I think their live tone is simply horrid, although I do like the band.