TU-01

Clip-On Chromatic Tuner

TU-01
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Compact and Easy-to-Use Clip-On

Ideal for guitar, bass, and ukulele, the clip-on TU-01 is the most affordable tuner in the trusted BOSS lineup. Small, durable, and simple to use, it provides convenient, reliable tuning right on your instrument’s headstock. A bright, attractive display features a cool digital meter and note indicator, plus two lights that show when you’re perfectly in tune. The TU-01 also adjusts for different viewing angles and folds down for easy transport in your case or gig bag.

Specifications
Tuning Range
A0 (27.5 Hz)--C8 (4,186.0 Hz)
Reference Pitch
A4 (440 Hz only)
Tuning Accuracy
+/- 1 cent
Tuning Mode
CHROMATIC / GUITAR / BASS / UKULELE
Control
Power switch / Mode switch
Display
backlit LCD
Power Supply
CR2032 lithium battery x 1
Current Draw
6 mA
Expected battery life under continuous use
Approx. 25 hours
* These figures will vary depending on the actual conditions of use.
Auto off function
Approx. 7 minutes
Accessories
Owner's manual
CR2032 lithium battery
Size and Weight
Width
56 mm
2-1/4 inches
Depth
31 mm
1-1/4 inches
Height
32 mm
1-5/6 inches
Weight (including battery)
30 g
2 oz

Downloads

Support

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.