Boss TU-3 Pedal Chromatic Tuner

£55.00 RRP £65.00 (including VAT @ 20%)

18 In Stock

Can be delivered to you on: 22 Dec 14
FREE Delivery available.

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Product Ref: 15826

  • Buy 2 Boss Compacts and Get a FREE Case!
  • The World's Top-Selling Stage Tuner
  • 21-Segment LED Meter with Brightness Control
  • Chromatic, Guitar/Bass and Flat Tuning Supported

Product Ref: 15826

Boss TU-3 Pedal Chromatic Tuner


The Boss TU-3 Chromatic Guitar Tuner is likely to become the new industry standard!

After all, the original Boss TU-2 was the standard by which all other tuners were based. The world's top-selling stage tuner, the BOSS TU2 has evolved and been improved with the introduction of the new Boss TU-3.

SPECIAL OFFER - Buy any two Boss compact pedals before December 31st 2014 and get a FREE BCB-30 Case!

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Full Description

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Housed in a really tough BOSS stompbox body and featuring a smooth 21-segment LED meter with a High-Brightness mode, the TU-3 cuts through the brightest lighting conditions. Choose between Chromatic or Guitar/Bass tuning modes, and enjoy improved visual pinpoint tuning verification with the Accu-Pitch Sign function. The Boss TU3 incorporates a convenient Note Name Indicator that can display notes of 7-string guitars and 6-string basses, while the Flat-Tuning mode can support up to six half-steps.

It's the new-standard tuner that no guitarist or bass player should be without!

Included Accessories:

  • Owner's Manual
  • Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
  • Dry battery/9 V type (6F22)


  • 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

FREE Case Offer

Buy any two Boss compact pedals (excluding twin pedals and Multi-FX) from October to December and your also receive a FREE BCB-30 Case. Free BCB-30 Case must be claimed from Roland UK upon registration of any two Boss compact pedal purchases. Proof of purchase required. Scan or take a photo of your receipt and email to, making sure to include the individual serial number of the unit (or send by post to Customer Services, Roland UK, Atlantic Close, Swansea, SA7 9FJ). Alternatively, you can fax it on 01792 515048. Full terms and conditions available here.