Boss TU-3 Chromatic Tuner Guitar Pedal

Code: TU-3
  • Now £79.00
  • (FREE UK Delivery)
Item in Stock   |   Usually dispatched within 24 hours
Item in Stock   |   Usually dispatched within 24 hours
Order within for delivery on Wednesday 7th June
Free UK Delivery On all orders
  • 21-segment LED Meter with Brightness Control
  • High-Brightness Mode Enhances Meter Visibility Outdoors
  • Accurate to +/- One Cent
  • Accu-Pitch Sign Function Provides Visual Verification when Tuning is Complete
  • Chromatic and Guitar/Bass Mode (Tune by String Number, with Support for 7-String Guitars and 6-String Basses)
  • Flat Tuning is Supported with Guitar Flat Mode, Which Allows for “Drop” Tunings up to Six Semitones Below Standard Pitch
  • Tuner Automatically Mutes When the Tuner is On
  • Supplies Power for Up to Seven BOSS Compact Effect Pedals
  • BOSS Five-Year Warranty

The TU stomp boxes have been a staple on boards all over the world. Considered one of the most useful pedals to have! The TU-3 is the most up to date version of BOSS' tuner pedal, and as we've come to expect it's a rugged, quality product.

With a 21 segment LED meter, the TU-3 makes tuning up easy to read and quick to do. There's Chromatic, Guitar and Bass tuning modes alongside a improved verification with Acc-Pitch Sign function.

The TU-3 is able to distinguish the names of the notes from 6 string basses, to 7 string guitars and alongside a Flat tuning mode that supports up to 6 semi tones makes it versatile. 


  • 21-segment LED meter with brightness control
  • High-Brightness mode enhances meter visibility outdoors
  • Accu-Pitch Sign function provides visual verification when tuning is complete
  • Chromatic and Guitar/Bass mode (tune by string number, with support for 7-string guitars and 6-string basses)
  • Flat tuning is supported with Guitar Flat mode, which allows for 'drop' tunings up to six semitones below standard pitch
  • Tuner automatically mutes when the tuner is on
  • Supplies power for up to 7 BOSS compact effect pedals

Further Specs:

  • Tuning Range: C0 (16.35Hz)-C8 (4186Hz)
  • Reference Pitch: A4=436-445 Hz (1Hz step)
  • Tuning Accuracy: 1 cent
  • Power Supply: DC 9 V: Dry battery 6F22 (9 V) type (carbon), Dry battery 6LR61 (9 V) type (alkaline), AC Adaptor (PSA series: optional)
  • Current Draw: 30 mA (DC 9 V), 85 mA (DC 9 V, when High Brightness mode is on)
  • Dimensions:
    • Width: 73 mm2-7/8 inches
    • Depth: 129 mm5-1/8 inches
    • Height: 59 mm2-3/8 inches
  • Hassle Free 14-Day Returns For Online Transactions
  • FREE Delivery on All Orders
  • Next Day & Saturday Delivery Available
  • Order before 2pm for Same Day Dispatch
  • Express European Delivery Available
  • All Deliveries Over £50 Fully Tracked And Insured

Be the first to review TU-3 Chromatic Tuner Guitar Pedal. Write a review ›