Keep your guitar or bass in tune with the Boss TU-12EX Chromatic Tuner for Guitar and Bass. This slim, flexible tuner has an internal microphone for acoustic instruments and handles flat tuning up to six half steps. Boss's Accu-Pitch feature has an audible beep when tuning is complete and Auto-off ensures long battery life.
Handles flat tuning of up to six half-steps
Long battery life with power-saving Auto-off feature
Tune acoustic instruments as well with the internal microphone