Korg PBXMINI Pitchblack X Chromatic Mini Pedal TunerThe Krog PBXMINI mini pedal tuner has ultra high tuning accuracy down to 0. 1 cents. Our next generation pedal tuner featuring the powerful new ULTRA BUFFER is even more compact and easy to use. Features Allows switching between true bypass and the newly developed ULTRA BUFFER Compact housing but packed with advanced functionality Meter LED also offers bright mode settings for high visibility Ultra high tuning accuracy down to 0. 1 cents Four meter