Item #1183629 Model #TU-01

BOSS TU-01 Clip-On Chromatic Tuner Standard


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Renowned BOSS tuning quality in an affordable clip-on tuner.

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.


  • Features Chromatic, Guitar, Bass and Ukulele tuning modes
  • Convenient reference pitch function (A=440Hz)
  • 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