Passionately designed by the master engineers at BOSS in Japan, the BOSS Waza Craft BD-2W Guitar Pedal delivers a premium stomp experience that fans of customized pedal tones will love. Crafted with an ear for highly refined sound, the BD-2W takes the classic Blues Driver grit to a new level with all-discrete analog circuitry. Standard mode captures the classic BD-2 tone while Custom mode delivers new body and sustain.Waza Craft The Art of Superior ToneSince the beginning, the engineers at BOSS have been committed to achieving the finest guitar tones using any technology necessary, from old-school analog circuits to high-tech DSP. Continuing this enthusiastic spirit, we are pleased to introduce the new Waza Craft series. In Japan, 'Waza' is the term for art and technique, and these special edition pedals proudly carry the Waza symbol to represent the pinnacle of BOSS design and craftsmanship. Being made in Japan, the Waza Craft series brings you exceptional tone and touch response through carefully-selected analog components, refined circuitry, and meticulous attention to detail.DC IN JackIt accepts the connection of an AC adaptor (PSA series). By using an Adaptor, you can play without being concerned about how much battery power you have left.Check IndicatorThis indicator shows whether the effects are on or off and also doubles as the battery check indicator. The indicator light when the effect is on.Level Knob and Tone KnobThe level knob adjusts the volume when the effect is on, and the tone knob adjusts the brightness of the effect sound. Turning the knob clockwise brightens the sound.Output Jack and Pedal SwitchThe output jack is used for connecting the jack to your amp or to the input of another effect unit. The Pedal Switch turns the effect on/off.ThumbscrewWhen this screw is loosened, the pedal will open, allowing you to change the battery.Gain KnobIt adjusts the gain by turning the knob. By turning it clockwise, it increases the gain creating harder distortion.Input JackThis jack accepts signals coming from a guitar or other musical instrument or another effects unit.