BOSS - TU-01 | Clip-On Chromatic Tuner

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.

Renowned BOSS tuning quality in an affordable clip-on tuner

Features Chromatic, Guitar, Bass, and Ukulele tuning modes

Convenient reference pitch function (A=440 Hz)

Runs for up to 25 continuous hours with a CR2032 lithium battery

Auto off function to preserve battery life when the tuner is not in use

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

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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.