Korg BA40 Bluegrass Tuner for Mandolin, Fiddle, Banjo and Resonator Guitar
Korg's BA-40 Bluegrass tuner makes quick work of tuning your mandolin, fiddle, banjo and resonator guitar - plus guitar and bass. Input and output jacks allow the tuner to be placed in-line between the instrument and amplifier. Or, rely on the built-in microphone and built-in speaker for tuning acoustically.