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BOSS ES-8 - Tour Rig Introduction by Alex Hutchingsplay button

BOSS ES-8 - Tour Rig Introduction by Alex Hutchings

TU-2 Chromatic Tunerplay button

TU-2 Chromatic Tuner

Boss TU-3 chromatic tuner play button

Boss TU-3 chromatic tuner

collapse expand iconDescription

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.

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

collapse expand iconFeatures

  • 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 6 semitones below standard pitch
  • Signal is automatically muted when the tuner is on
  • Supplies power for up to seven BOSS compact effect pedals (with optional PCS-20A cable, sold separately)
    • Accessories:
    • Owner's Manual
    • Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
    • Dry battery/9V type (6F22)

    collapse expand iconSpecs

  • Tuning Range: C0 (16.35Hz) -C8 (4,186Hz)
  • Reference Pitch: A4=436-445Hz (1Hz step)
  • Tuning Accuracy: ±1 cent
  • Power Supply: DC 9V: Dry battery 6F22 (9V) type (carbon), Dry battery 6LR61 (9V) type (alkaline), AC Adaptor
  • Current Draw: 30 mA (DC 9V), 85mA (DC 9V, when High Brightness mode is on)
    • Dimensions
    • Width: 2-7/8"
    • Depth: 5-1/8"
    • Height: 2-3/8"
    • Weight: 14 oz.

    collapse expand iconWarranty

    Boss pedals - 5 year parts warranty
    90 day labor warranty.
    1 year warranty - Multitracks, Jamstations, etc.
    Check with manufacturer for specific product warranty.

    Featured Articles

    collapse expand iconReviews

    4.71

    99 Reviews

    98%

    of respondents would recommend this to a friend

    Most Liked Positive Review

    5

    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.

    VS

    Most Liked Negative Review

    1

    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.

    Filters
    Best Uses
    1. Performances39
    2. Home Studio38
    3. Outdoor Events / Games25
    4. Amateur Recording20
    5. Professional Recording17
    Cons
    1. Difficult To Use3
    2. None2
    3. A little hard to configure at first.1
    4. 1st time user function not intuitive1
    5. Manual has to be downloaded1
    Describe Yourself
    1. Experienced34
    2. Novice11
    3. Professional Musician11
    Pros
    1. Responsive33
    2. Compact30
    3. Versatile20
    4. Excellent Sound Quality6
    5. Good Selection Of Effects6

    Reviewed by 99 customers

    • I would buy these cables again.

      5

      submitted20 days 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!

      5

      submitted21 days 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.

    • I like how solid it is

      5

      submitted23 days ago

      byIgnacio

      fromOrlando, FL

      Submitted as part of a sweepstakes

      I been using it for a couple of weeks now and it works great

    • Good tuner!

      5

      Verified BuyerVerified Buyer

      submitteda month ago

      byLinda

      fromSt. Louis, MO

      Submitted as part of a sweepstakes

      Very responsive, well built!

    • Nice

      5

      Verified BuyerVerified Buyer

      submitteda month ago

      byJoseph

      fromWinston Salem, N.C

      Submitted as part of a sweepstakes

      Works great and easy to use

    • Decent tuner

      5

      Verified BuyerVerified Buyer

      submitted2 months ago

      bySamuel

      fromHouston, TX

      Submitted as part of a sweepstakes

      Not a bad little tuner, would complain it doesn't come with a power supply, but I already have a good power brick for my pedals. #sweepstakes

    collapse expand iconQ&A

    Have a question about this product? Our expert Gear Advisers have the answers.

    • submitted5 months ago

      asked bymadi

      fromundisclosed

      Will this pick up the lowest string on an 8 string guitar?

      Will this pick up the lowest string on an 8 string guitar?

      Open Reply - Gear-Support
      Yes, it will.

    • submitteda year ago

      asked byJeffrey

      fromIdaho

      Is an AC adapter included?

      Is an AC adapter included?

      Open Reply - Gear-Support
      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.

      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.

      Open Reply - Gear-Support
      No, the TU-3 doesn't down tune. Please see ------------ DigiTech The Drop Polyphonic Drop Tune Pitch-Shifter Guitar Effects Pedal

    • submitted2 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?

      Is there a specific cable to be used for the daisy chaining of other pedals to the power output on the tuner?

      Open Reply - Gear-Support
      No, any guitar cable will work.

    • submitted2 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?

      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?

      Open Reply - Thomas
      This needs a little bit of discussion. Please give us a call 855 770 3373

    • submitted4 years ago

      asked byNone

      fromundisclosed

      Are these in stock?

      Are these in stock?

      Open Reply - Beau
      This item is currently in stock at this time.

    • submitted5 years ago

      asked byDarcy

      fromIowa

      What's "in the box" with the TCU?

      What's "in the box" with the TCU?

      Open Reply - Ronald
      It is just the pedal. The cables and power adapter are sold separately.