Xotic Custom Shop AC CompThe new AC Comp features a three way switch for dialing in compression, a deeper amount of low end thump on tap if needed, plus two internal switches for additional fine tuning. The normal setting on the top mounted three way switch gives you classic AC Booster style overdrive. The middle setting has very little compression, giving you tight aggressive punch with a bit more grit on the top end. Great for fast, articulate rhythm playing! This position