J. Rockett Audio Designs Tour Series Archer Overdrive and Boost Guitar Effects Pedal A recreation of an iconic circuit matching all of the wonderful qualities of the original A great clean boost that goes all the way to a chimey classic organic gain Can be used as just a clean boost by turning the gain all the way down Introduce gain to attenuate the clean signal until you find the magical blend in between Can be powered by a 9V battery; battery is NOT included