BOSS TU-3 Tuner

£85.00 In Stock

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BOSS TU-3 Tuner

RRP £94.00 Save £9.00


In Stock

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Manufacturer's ID: TU3

What we say:

BOSS's perennial favourite tuner, the TU-3, is the latest incarnation of a unit that has been the fundamental centre of thousands of rigs over the last few decades.

Apart form accuracy (this one is within one cent), there isn't much you need a tuner to have but there are a few important features. Visibility is one and the TU-3 gives you a strong visual reference with a 21 segment LED that can be super-bright (you can dial that back if it's too much!) and easy to work with on a dark stage.

Other useful features include modes for Guitar and Bass, (including 7 string guitars and 6 string basses), modes for drop tunings by the semi-tone, an automatic signal mute when the pedal is engaged and, rather excellently, it behaves like a power supply for other pedals if used with a PSA power supply and daisy chain. Much more, then, than just a great tuner.


Choose between Chromatic or Guitar/Bass tuning modes, and enjoy visual pinpoint tuning verification with the Accu-Pitch Sign function. The TU-3 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!
  • 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

Customer reviews

Overall Rating 5/5 (53 reviews)

Graham R. - 9/7/2023

The Tu-3 is a solid workhorse and the price is great.

Nick S. - 14/4/2023

Does exactly what I bought it for.

Russell G. - 11/4/2023

Excellent value for a top class product.

Joe H. - 10/4/2023

Mark H. - 8/4/2023

Andrew L. - 5/2/2023

Easy to use and I got the hang of it quickly. The advice I got when I purchased it did help

James M. - 5/1/2023

Marius H. - 29/12/2022

Excellent product works!!

Joe L. - 5/3/2022

Neil P. - 16/12/2021

Nick T. - 12/12/2021

Great tuner easy to use with clear display. Should of bought this sooner instead of using other cheaper examples.

Paul C. - 30/10/2021

Bruce W. - 9/9/2021

Greg S. - 31/8/2021

Works well, second one we?ve had

andrew s. - 8/8/2021

Easy to use, quick, accurate wwith a range of useful features

Roy S. - 19/7/2021

Greg S. - 15/5/2021

A must buy for novice or professional

Garry B. - 13/5/2021

jonathan w. - 12/2/2021

Possibly the most useful thing I've ever purchased. Easy to use, works well, great value for money

Richard N. - 9/2/2021

This is by far the best tuner I?ve ever owned!

Rory P. - 1/2/2021

Good product tho it could be better

Robert B. - 23/12/2020

Colin F. - 21/11/2020

A company at the peak of its game

Keith B. - 25/9/2020

Chromatic tuner with extra functions, you can tune your guitar by string, on Eb, your bass, and more. Was using an app to tune and needed everything quiet around before.

Herman J. - 5/9/2020

Great service all as promised. Very happy

JUSTIN W. - 22/6/2020

Sets the benchmark for tuner pedals. Dead ready to use

Eric B. - 29/4/2020

Richard S. - 6/4/2020

James M. - 29/11/2019

Boss always make excellent well made products.

Stefan K. - 24/8/2019

Strong build & extra power out connection

Scott M. - 27/7/2019

Great pedal easy to use. Good features and easy to see the screen.

Cameron R. - 29/6/2019

Easy to use tuner for my bass. Well priced and rugged

Alex M. - 27/6/2019

John M. - 16/3/2019

Christopher G. - 21/2/2019

Justin C. - 7/2/2019

Absolutely brilliant delivery service

raymond m. - 13/11/2018

John M. - 20/6/2018

1st class no quibble great service

Dave F. - 17/6/2018

Marcus L. - 6/3/2018

NICOLA W. - 16/2/2018

This tuner is robust and very accurate.A must buy if you require a good quality tuner.

Brian S. - 19/1/2018

Good service, with speedy delivery.

ALAN B. - 10/8/2017

boss chromatic tuner worked well on the gig and the new fender lead was crackle free

Phil D. - 17/5/2017

Very easy to use, takes seconds to tune.

D.P. - 17/2/2015

Every Pro players board has this bit of kit on it so it must be the best. It is.

J.H. - 4/11/2014

It Tunes

P.Y. - 14/10/2014

Been buying boss gear for years some of it now looks like relics but still works great

M.S. - 14/1/2014

Great pickup system, sounds great

D.B. - 2/12/2013

great piece of kit, had a TU2 that had died after about 20 years of service, new one is more accurate, extra bright display a useful function

C.B. - 27/11/2013

good stuff

L.K. - 14/8/2013

very good

E.M. - 20/12/2012

Excellent and efficient service, plus rarely beaten on price.

J.B. - 24/10/2012

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