he Korg Pitchblack Poly Pedal Tuner is a quick, easy-to-use high-performance tuner that brings together Korg’s legendary accuracy, versatility and reliability. Easy to read displays, the remarkable Pitchblack Poly adds the convenience of polyphonic tuning to the acclaimed Pitchblack line-up. Korg’s Pitchblack Poly displays the tuning status of all strings at once, and can be used with Flat, Capo and Drop-D tunings, and it’s ideal for floating tremolo systems.