By adding a discrete, fully analog circuit, SPARK MINI BOOSTER adds a purely magical sense of life and excitement to your gear and tone. Each part of the circuit is carefully selected, from transistor to capacitor and from resistor to diode. What does that mean? Sweet, pure tone in all of its glory in an unparalleled clarity with zero coloration. Whether you want to make things sing or roar, this circuit ensures to maximize your tone.