The AC Booster is a tasteful overdrive that preserves the dynamics of your playing and your guitar’s inherent character. Xotic Effects, makers of such pedals as the popular RC and AC Boosters, Robotalk and BB Plus, have graced the effects world once again with a small box that packs quite a punch, the EP Booster. These units … Following on from my recent review of the AC Plus (CLICK HERE to read it), I thought I'd write a quick article comparing Xotic's venerable AC Booster, RC Booster & BB Preamp models. Providing 20db of volume boost, the EP Booster is a FET-based volume booster … The simple, yet highly effective EQ controls ensure you’ll find the perfect sound to fit in the mix or cut through when you need to.