KORG GA-50 GuitarBass Tuner, Ideal for Personal Practice, with Output, Supports Multi-String Guitars and Basses, Flat Tuning, and Long Scale Tuning,

Equipped with guitar/bass modes. Compatible with 7-string guitars and multi-string basses. Enlarged note name display. An even easier-to-read display. Sound Out mode assists with string changes. Equipped with an output jack. You can tune while playing.