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-80’s 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-have companion for learning, practice, and performing.
Pro BOSS tuner and versatile metronome in one
Supports chromatic tuning, guitars, basses, and flat tuning
Convenient Accu-Pitch function sounds a tone when you’ve reached the correct pitch
Reference pitch function makes it easy to verify tuning by ear
Metronome features multiple rhythm styles and visual display
Instrument input for tuning electric guitars, basses, and other instruments
Tempo: 30--250 Rhythm Style: Quarter note, Eighth rest and eighth note, Eighth note, Triple, Triple with center rest, Sixteenth note, Clave (3-2, 2-3) Beat: 0--9
680 k ohms
LCD Display, Tuning Guide LED
Dry Battery (R03/LR03 (AAA) Type) x 2
15 mA (Metronome mode) 8 mA (Tuner mode and A4 = 440 Hz input) *Expected battery life under continuous use (Carbon): Approximately 50 hours (A4 continuous input) These figures will vary depending on the actual conditions of use.
Dry Battery (R03 (AAA) Type) x 2 Owner's Manual Leaflet ("USING THE UNIT SAFELY", "IMPORTANT NOTES" and "Information")
Size and Weight
90 mm 3-9/16 inches
60 mm 2-3/8 inches
25 mm 1 inches
Weight (including battery)
90 g 4 oz
If you have questions about operating your BOSS product, please check our Knowledge Base for answers to the most common questions.
You can also contact our Product Support department by phone or email.
In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference.