What's the two inputs for? My mate has a H||H amp (well, that's what it has on the front of it) and it has an input for studio and an input for live, and the studio one results in a quieter sound, and the live one louder. Apparently, you COULD run two guitars through it, but it might kill it. Lucky fool, he's got two. They're vintage, lol, old valve amps, cool as shit.