The TU-3 incorporates a convenient Note Name Indicator that can display notes of 7-string guitars and 6-string basses, while the Flat-Tuning mode can support up to six half-steps. The BOSS Tuner app brings BOSS’s trusted and world-renowned chromatic tuning technology to Android mobile devices.
Join the millions of players both famous and bedroom-bound who start their signal chain with this little white box. BOSS TU-3 Chromatic Tuner Guitar pedal Test Completed Body only PSA 9V White. Accurate, easy to read and bulletproof, there's no reason to think hard about this one. (27) 27 product ratings - Boss TU-3W Chromatic Tuner Waza Craft Effects Pedals.