The Korg Pitchblack Chromatic Pedal Tuner lets you modify the sound output of your instrument for various effects. It expands your musical possibilities in the various songs you compose and play. This Korg pedal tuner is suitable for working with a guitar or bass. It features a tough aluminum die-cast body for enduring hard use whether performing on the road or in the studio. There is also a large, easy-to-read LED meter with a light-emitting surface for providing wonderful visibility, making it convenient to achieve exactly the setting you need. This guitar pedal tuner comes with four display modes to choose from. Its true bypass output will keep your tones intact for your next performance. The compact design of this pedal tuner also makes it easy to take along when you're on the move and takes up little space on stage or in the studio.