Boss TU-01 Clip on Chromatic Guitar Tuner

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    Boss TU-01 Clip on Chromatic Guitar Tuner

    Compact and Easy-to-use clip-onIdeal 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


    • 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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