Holy War Guitar Metal Case For Electric Guitar Bass, Lef-305, By Vsn Analog VSN Holy War Pedal 3 Working Modes: Lo Boost/Boost Off/Hi Boost Lo Boost: Boost a narrow band of high frequencies a little bit. Boost Off: No boost is engaged. Hi Boost: A higher amount of boost is engaged Very small and exquisite True bypassSpecifications: Input impedance: 1M Ohms Output impedance: 470 Ohms Working current: 25 mA Power Supply: 9V AC adapter Dimensions: 3.7inch (D)x1.8inch (W)x2.1inch (H) Weight: 8.5oz (with box)Package included: 1 x Holy War Pedal 1 x User's Manual 1 x Packing Box ??Distortion Effect?: Entirely gaining and boosting the distortion degree of metal. distortion pedal has special and strong distortion effect. ??3 Working modes?: Lo Boost: Boost a narrow band of high frequencies a little bit./Boost Off : No boost is engaged./Hi Boost: A higher amount of boost is engaged ??Solid Quality?: True bypass provide transparent tone, durable and sturdy. LED indicator shows the working state. ??Easy Carry?:This pedal has a small size body, light weight, suitable for out side gigs,powered by a DC 9V adapter (Could buy one at VSN Music). ??One Year Warranty?"VSN Music" is a professional manufacturer of guitar pedal effects. If you receive an unsatisfactory product, please contact us for a solution.