JHS Prestige Boost Guitar Effects Pedal A one knob pedal that has plenty of tricks up its sleeve A booster/buffer/enhancer that will give you that something, the magic, that youve been looking for Can be used as an always-on preamp or buffer, or crank it up to send your amp into natural overdrive In the first 25% of the volume knob, you have a natural buffer/enhancer for long cable runs or to add a touch of brightness At 25% to 75%, it becomes a volume boost to give a nice push to solos or to create more saturation in front of an overdrive Above 75% and youll be sending your amp into a meaty natural breakup by pushing the tubes on your amp Use as a first stage overdrive or a second stage to maintain other overdrives tone while giving more of everything you love