BOSS TU-30 Metronome & TunerTHE ESSENTIAL PRACTICE COMPANION For years, the TU 80 Tuner & Metronome has been an essential tool for musicians and music educators everywhere. With the TU 30, BOSS delivers the TU 80s main features in an even more compact size. All the basics are carried over, including Accu Pitch, multiple tuning modes and rhythm patterns, the ability to sound reference pitches, and more. Combining trusted BOSS tuning with a versatile metronome, the TU 30 is a must