Check the listing for details. Ibanez BIGMINI Mini Chromatic Tuner Pedal. Color: Black, Condition: New. Listed at 59.99 USD. Ibanez BIGMINI Chromatic Tuner Mini Guitar Pedal Description The BIGMINI - Mini Series Chromatic Tuner Pedal from Ibanez is a miniature tuner pedal for guitar and bass. The unit features a tuning range of A0 to C8 (27.5 Hz to 4186 Hz). The Flat/Disp button changes the flat tuning pitch and switches the display mode of the tuner, while the Calib button offers calibration settings of A4 to be adjusted between 435 Hz to 445 Hz. The true bypass switching preserves your signal. This pedal cannot be battery operated and requires an optional external 9 VDC power adapter (Ibanez AC509 sold separately). Features Tuning Range: A0(27.50Hz) - C8(4186Hz)Calibration: 435 - 445 HzDrop tune: Flat 4 semitonesPower Supply: External DC 9 Volt AC Adapter Attributes Input (X): MonoOutput (X): MonoColor (X): BlackModel Name (X): PedalEffect Type (X): Tuning Pedals