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BOSS TU-3 Chromatic Tuner Pedal
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TU-2 Chromatic Tuner

Boss TU-3 chromatic tuner
Description
The BOSS TU-3 Chromatic Tuner is a rugged stompbox tuner trusted by countless musicians worldwide. This high-visibility tuner features a smooth 21-segment LED meter and Note Name Indicator that supports 7-string guitars and 6-string basses. Choose between Chromatic and Guitar/Bass modes for precise tuning and the Accu-Pitch function gives you visual confirmation when tuning is complete. With a durable stompbox design, the TU-3 is built to withstand the rigors of touring and designed for fast operation, even in the noisiest of environments. The TU-3 is an essential pedal for any performing guitarist or bassist.
High-Visibility LED Display
The TU-3 features a bright 21-segment LED meter display, with selectable brightness levels for optimal visibility on any stage. Easily tune your instrument in even the harshest outdoor glare or dimly lit clubs. The Note Name Indicator displays notes for 7-string guitars and 6-string basses, ensuring precise intonation for any instrument.
Chromatic and Guitar/Bass Modes
Choose between Chromatic mode for tuning all instrument types or Guitar/Bass mode for tuning electric guitars and basses. In Guitar/Bass mode, the TU-3 automatically detects the pitch of each string and highlights the closest note name, while also indicating sharp or flat. Chromatic mode is ideal when tuning instruments like acoustic guitars, violins and more.
Road-Ready Design
Housed in a durable die-cast aluminum stompbox body, the TU-3 is built to last through years of performance and travel. Its highly visible LED display and stompbox design allow for fast, accurate tuning on any stage. Powered by a 9V battery or optional AC adapter, the TU-3 provides dependable performance for any gig situation.
Essential for Any Pedalboard
With its compact size and road-tough build, the TU-3 is perfectly suited for any pedalboard. Its highly accurate tuning and visual verification ensure your instrument is perfectly intonated before each performance. For guitarists and bassists at any level, the BOSS TU-3 is an essential pedal that produces flawless results every time.


Features
- Owner's Manual
- Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
- Dry battery/9V type (6F22)
Specs
- Width: 2-7/8"
- Depth: 5-1/8"
- Height: 2-3/8"
- Weight: 14 oz.
Warranty
90 day labor warranty.
1 year warranty - Multitracks, Jamstations, etc.
Check with manufacturer for specific product warranty.
Featured Articles
Reviews
4.72
103 Reviews
98%
of respondents would recommend this to a friend
Most Liked Positive Review
TU-3 - Just the Job!
The improved accuracy and tracking time over the old TU-2 is a BIG bonus. While accuracy is not too important (bearing in mind as soon as you fret a string the tuning changes slightly) it is particularly useful when setting or checking the intonation on a guitar. The tracking is FAST! Yes, there are faster tuners, but the typical 1/10 of a second response time is fast enough! Tap out a scale and the TU-3 will follow! (Which makes it a great learning tool - to check those pentatonic practice scales for accuracy!) The LED's are brighter on the new model - and there are more of them. Much easier to read at a glance. The "Acu-pitch" feature is good. By flashing, it confirms spot-on tuning. Contrary to some opinion, it is NOT a "tone sucker" - even though Boss do not use "true-bypass". (I understand they always use an FET buffer instead.) I only use a "clean boost" pedal with a Marshall tube amp (with the TU-3 in by-pass mode). The tuner has no audible effect. It's a Boss - so it will take all the normal abuse a working guitarist will give it - including the odd spilled beer! Unlike a "Pitchblack" tuner I tried recently (and returned!) there are no clunks and speaker pops when you hit the pedal. Silent operation. My only gripe is no switch. Plugging in the guitar chord switches it on. That's OK if it is used with a power supply, but not so good if you prefer to use batteries - and don't remember to unplug the guitar! Overall it's a "must have" tuner for anyone at any level. Cheaper ones just don't do the job, and spending more would be a waste of money.
Most Liked Negative Review
Great.. for four months.
I purchased my Boss TU 3 tuner after doing my research, reading the reviews and asking around. I was convinced this was the best tuner for the money, if not the best period. I went to my local Guitar Center and bought one November 2011. I was very satisfied with the product and it worked great until March 2012. This product was never abused and lightly used at best, since I play Bass and am not constantly tuning my instrument and it was only used two or three a week. Apparently the switch went bad; being so new I took the tuner back to my local Guitar Center for an exchange. Here is where the real problem lies. I felt as though the associate treated me like a moron and was only interested in defending the stores extended warranty program. After several frustrating minutes, I left the defective product on the counter and advised the associte I would never spend another dollar with Gutiar center. I am telling others to do the same as well. My business is going to local shops where there is appreciation for my business and service after the sale.
- Performances42
- Home Studio41
- Outdoor Events / Games25
- Amateur Recording21
- Professional Recording18
- Difficult To Use3
- None2
- A little hard to configure at first.1
- 1st time user function not intuitive1
- Manual has to be downloaded1
- Experienced36
- Professional Musician13
- Novice11
- Responsive35
- Compact31
- Versatile22
- Excellent Sound Quality6
- Good Selection Of Effects6
Reviewed by 103 customers
Great tuner
submitted14 days ago
byJames
fromDayton new york
Submitted as part of a sweepstakes
Great addition to my pedalboard, easy to see and use
Great Tuner
submitted15 days ago
byPete
fromBristol TN
Submitted as part of a sweepstakes
Great Tuner
I have 3. It's more than a tuner!
submitted15 days ago
byyduR
fromKnoxville TN
Submitted as part of a sweepstakes
It has two outputs and you can A/B them. This makes it really flexible. Top level tuner on top of that!
1528 Savin Dr
submitted3 months ago
byChris
fromEast San Diego County
Submitted as part of a sweepstakes
I have two of these. One for each P-Board. My acoustic/vocal rig that I run two 6 strings, standard and open tuned, plus a Drop D tuned 12 string through. The other is for my electric guitars. I got tired of crappy, inaccurate, clip on tuners. They're great signal mutes, too.
I would buy these cables again.
submitted4 months ago
byEdward
fromLake Alfred, Fl
Submitted as part of a sweepstakes
Always tune before playing, always on the pedalboard so close at hand (foot). Easy to see and read, even when dark. #sweepstakes
Old Faithful!
submitted4 months ago
byGeorge
fromSan Antonio, TX
Submitted as part of a sweepstakes
Had one of these years ago but went to clip on tuners. The clip-on's are ok but I still like that pedal style for performances so I can power my other pedals and have that mute function for switching out instruments.
Q&A
Have a question about this product? Our expert Gear Advisers have the answers.
submitted9 months ago
asked bymadi
fromundisclosed
Will this pick up the lowest string on an 8 string guitar?
Yes, it will.submitteda year ago
asked byJeffrey
fromIdaho
Is an AC adapter included?
No, it isn’t.submitted2 years ago
asked byted on bass
fromselbyville delaware
can i hit a button and switch from E to Eflat tuning on my bass, I am switching basses at gigs now and that is no good.
No, the TU-3 doesn't down tune. Please see ------------ DigiTech The Drop Polyphonic Drop Tune Pitch-Shifter Guitar Effects Pedalsubmitted2 years ago
asked byJerry
fromCollege Station, TX
Is there a specific cable to be used for the daisy chaining of other pedals to the power output on the tuner?
No, any guitar cable will work.submitted3 years ago
asked byGeorge
fromMiami, Florida
On the one side, I see 1 input jack and the other side has 2 jacks labeled output and bypass. What's the difference? What is the purpose of each, output and bypass? What does output do differently from bypass, and vice versa? How are these meant to be used? Can I play through an amp and simultaneously see which note or chord I'm playing in the pedal display? Shouldn't this be mentioned in the product features section of your product description?
This needs a little bit of discussion. Please give us a call 855 770 3373submitted4 years ago
asked byNone
fromundisclosed
Are these in stock?
This item is currently in stock at this time.submitted5 years ago
asked byDarcy
fromIowa
What's "in the box" with the TCU?
It is just the pedal. The cables and power adapter are sold separately.




