Boss TU-3 Chromatic Tuner Pedal with Bypass Reviews

I have used the pedal for a few live shows so far and it works as advertised. It is sturdy like all Boss pedals are. If you are a live performer, this is a must have over a headstock tuner.

I got this tuner after getting tired of having to use my phone to tune my bass guitar. I had a clip-on tuner but it wasn't reliable and my phone was a pain to get to work, and this is working great!

Got this for my pedalboard and haven't regretted it for a second!

This is accurate, solid and a must on every pedal board. I have 3 BOSS TU pedals since I have 3 pedal boards and if I make a 4th guess how many I will have then. It's true bypass and can mute sound if needed. Can't live without and I won't buy another tuner pedal brand. Thanks to my reliable and trust worthy Sweetwater Sales Engineer Cameron Green for his continued exceptional customer service!!!!

Works good with 7 string guitars and 5 string bass, a lot of features that I personaly won't use, but other people will.

Overall a tuner is a must have pedal the Boss TU-3 will do the job very well.

Excellent tuner. Easy to use and accurate.

This has to be the simplest way to tune a guitar I've ever used. The pedal worked right out of the box and it simple to see even standing up. Love it.

After purchasing two of these for the church praise band, I finally got one for myself. The Boss TU-# is just an incredible tuning pedal. I cannot recommend it highly enough! After purchasing a similar item to save a little money, I quickly realized that I should have purchased this first. A great product!

Super tuner! Bought it for guitarist in my band as a retirement gift. He owes it. Sw/wtr guys are really helpful! Thank you!

Best tuner pedal ever, was great right out of the box. Has multiple settings too

This pedal is built solid, super accurate and versatile.

Decided that it was time to replace my old tuner and I am not regretting my choice

Received this pedal well pack and in perfect condition.
Does exactly what it's suppose to do.
Bright enough and large enough display to quickly and accurately
get in tune on stage. Would buy again and definitely recommend.
Well worth the cost. Sweetwater never disappoints.

This is an amazing pedal, not sure how I got along all these years without..!!

Having made the jump into playing bass guitar from playing a variety of 6 and 12 string guitars, I noticed right away that my collection of clip-on tuners were fine in the upper registers, and pretty anemic in the low registers. Specifically tuning the E and A string was difficult. And that's why I remembered the Boss Tu-2. Because the signal is going through the electronics of the system with the TU-2, as opposed to sensing vibration, the chance of getting in tune is vastly improved.
I just tuned up with the TU-2, after having tuned yesterday with a clip-on, and yes, I was still a bit out of tune. Took like a minute, and I'm in totally in tune. I love the idea of shutting off the signal while tuning. Although bass guitars with their thick strings are notoriously stable, those big lollipop tuners can get bumped, and oh boy. With this function, I can literally tune in the middle of a performance, quickly. I should also mention that the TU-2 has some very practical preset modes for both bass and guitar, and options for flatted tunings. Or, you can just go Chromatic.
And a shout out to Sweetwater...the pedal was initially shipped using UPS...who lost it. I contacted Ian at Customer Support, who sent out another one via FedEx. Now that...is customer service!

Works perfect as it should. Tuning feature is accurate.

The TU-3 replaced my 30 year old TU-2. It works great and is just like the TU-2 but newer and supposedly better. It definitely looks newer and works perfect. Put in in Stream Mode!

I had an amazon basics one cuz it was cheap and thought it'd do the job, but i was just playing with terribly out of tune guitars. boss is the way to go

The Boss TU-3 Chromatic Tuner Pedal is built like a tank. I have drop foot and sometimes it's hard to use the small stomp switches on most pedals. Boss uses large switches that make it so much easier for me to find with my foot in low light while trying to balance on one leg. All of my effects pedals are Boss.

Performs great. Easy to use. Easy to see. Rugged BOSS dependability.

It's a tuner. It's effective, accurate, and the features all do what they're supposed to. I also use it as a splitter to run my guitar and bass amp together in the same rig. The result is incredible.

Fast, accurate, easy to use

This has always been my "go to" tuner...(building a pedal-board for a buddy). My brother is partial to his TC Electronics Polytune 3...it works great but I think my TU-3 has advantages...1. BIGGER DISPLAY...easier to see...2. MORE OPTIONS...string selection...(note/srting #...thru 7 strings...)3. WHAT I LIKE THE MOST...The TC has a "button" on/off switch...My Boss is a true "pedal" switch...MUCH EASIER WHEN PLAYING LIVE IN DARR ENVIRONMENTS...To sum it up the TC is less expensive, but the Boss is worth it!!! (FYI: Slash agrees...that's all I need to know...)

This tuner is so good at tuning, that it's actually the only tuner on my pedalboard. It tunes.

You can't go wrong with pedal. Fast, accurate and spot on with the tuning. Thanks to all at Sweetwater for your rockin service!!!

Accurate, legible, simple to use, and built like a tank...a great little box!!!

Thanks so much.!

Great tuner easy to use and very accurate!

My other tuners couldn't handle the low B on my new 5-string P-bass. This one does.

This is my new favorite tuner because it reacts to changes quickly, has guide arrows to let you know if your sharp or flat, and handles any tuning variation you can dream up.

Compared to my other tuners this one dials me in MUCH quicker.

So in summary: Works on the low B and super responsive.

I purchased this tuner as a gift for our son to use with his bass.. it works great! And he love it. Louis my sales engineer guided my purchase perfectly and even made sure I got everything needed to MAKE this a tru "gift". Thanks again for the extra Sweetwater touch.

The best tuner out there. I like it much better than the TC Electronic Polytune, just for the fact that, the Boss tuner is easier on the bare feet than stepping on a round switch, The Boss Tuner is much easier switching and user friendly. that is why I have all Boss pedals on my board. Thanks again Sweetwater for the great service.

There's a reason this is on so many pedal boards. It is accurate, easy to use, and built like a tank.

This thing is great. Super durable. Easy the read (even in sunlight!). If u need a tuner, and you know you do, this us your choice...hands down.

This tuner works so well on my pedalboard it has has an extremely legible face that makes tuning super easy and I like the audio shift off when you turn on the tuner so you can tune quietly I'm real happy with this purchase

Had a boss tu-2 forever but wanted the new one great tuner it's a Boss product nothing more to say boss makes great stuff.

Works great easy to use

This is an excellent tuner. I never realized how much better my guitars could sound until I tuned them with the TU-3.

Just what I needed, we play 1/2 step down, easy to set tuner for this. Really like the brightness of the display, don't know why I waited so long to get one !! Thanks to Blake Rice for his help with the transaction, fast shipping also !!! Highly recommend Sweetwater and their team......

Every board needs it. Was tired of looking for my clip on tuner. Done.

I was loading my pedalboard and bass case into my car, but the car was locked and my keys were in the house. I set my stuff down behind my car and went inside to grab my keys. When I came back out, totally forgot I hadn't loaded my gear into the car and I just started to back out of the garage. Ran my bass case and my pedalboard right over with my car. Destroyed my bass case (not my bass somehow) but I annihilated my pedalboard. I ran the TU-3 directly over with the wheel. Got to band practice though, plugged it in and it worked perfectly. It's built well enough to handle my dumbness, I bet it will handle anything you can throw at it.

I have used all types of tuners and had settled in on the Snark tuners. I also have several guitars so even though the Snarks are excellent headstock tuners I always forget to remove them when switching guitars. It is a silly & lazy thing to get frustrated about so I decided to get a tuner that was inline with my cable instead of the headstock. That way it is always connected to whichever guitar I plug in.
I never had any complaints about how the little tuners perform, but the Boss TU-3 is even better. It has several modes to tune with using the note itself or string number and has a very easy to read illuminated screen. It works great to help you set intonation as well. Well built & easy to use tuner that looks like it will last a lifetime.

Love it. Couldn't do without it!

Bought this to use with my fairly new Rogue lap steel guitar, but have wound up using it with all my acoustic-electric and electric guitars, instead of the headstock attachment tuners I kept having to replace when they broke or malfunctioned. Very happy with it.

fantastic tuner easy to tune guitar and bass drop tuning is a snap.daisy chain no problem highly recommend.sweetwater got me my order in a couple days.nice job sweetwater

All,
I design custom guitar amps for a living. I probably have like six tuners and they are in a pile of stomp boxes with the others.
I have a new amp that has a stomp box power supply built in. So I was working on an all analog new pedal board and what do I select for a tuner. Ok now I have 3 of these on all my pedal boards.

Thanks,
Gordon

Does everything it claims: Accurate, flexible and easy-to-see! My first transaction with Sweetwater. Terrific customer service and the order arrived 3 weeks earlier than a similarly-timed order from GC. Won't make THAT mistake again... Craig was a big help! Highly recommend both the pedal and Sweetwater!

Easy to use and keeps me in tune all night!

I don't care for clip on tuners. This works really well and I like the power supply connections so that I can daisy chain to other pedals from this.....Just don't overload the rating as stated in the instructions. Happy Tuning!!!

This honestly should have been the first pedal I ever owned. It has awesome features, and is way more than a tuner. Anyways, the pedal is great and I'll keep it forever but I would also like to mention sweetwater and their workers. They are always super nice, they check up with you and make sure that you're happy with your purchase. They even go as far as to ask about what kind of projects you have going on and how they can help you get the right gear. I also appreciate how you can apply for a credit card and make monthly payments. If you're reading this and have never bought from sweetwater before, they even give you a sweetwater sticker and a bag of candy! Alright. Thats all.

I have discovered using this tuner with a mic to tune.
To sing it's learning to release volume with controlled pressure. So when lungs full high pressure so release slow volume but as the pressure decreases you have increase volume to maintain the note. Nothing has ever given me the knowledge of how to do that better then the TU3

The display shows up nice and bright.....
I thought i was a good tuner......its better!
If you want to sound your best.....be in tune with this tuner...

Great staff at Sweetwater.....!!!

Works great and you can easily see it in the dark for on stage tuning. Sturdy construction and great for the pedalboard.

Nice, works great and easy deal.

Recently purchased my "third" Boss TU-3 tuner...I have three different pedal boards (one each for bass, acoustic guitar, and electric guitar). They are absolutly the best pedal for the money. Accurate, easy to use, durable, and budget friendly. I highly recommend this unit and HIGHLY recommend Sweetwater Music for all your professional needs!

My first pedal tuner. Works well. The button to make it brighter makes a big difference. I like the two outputs too.

This in an awesome tuner. Built like a small tank. Very well designed. It"s easy to replace the battery. The LED readout is very easy to see and extremely accurate.

I was skeered to buy it cuz I never even held one before...all my fears subsided when I realized why even Bassists could use a tuning pedal!! Nothing to it, ..well I don't mean to say it isnt sophisticated in some regards.But it is very simple to get your reading glasses out and select the instrument you want to tune and you are off to the races! (Or rather your first set..) Disregard the reading glasses joke, its not that funny anyway..AND the display is actually VERY easy to see! as advertised..

Finally upgraded from a TU-2. I'd say it's one better! I could use any FX that I wanted to but I'm still using boss stuff.

I have delayed my review because I wanted to check out the tuner. So far I have been really satisfied; no questions asked. This tunes bass guitars as well which is great. The body looks like it can withstand anything, so this is a pedal worth keeping. Thanks Jason.

There's a reason it's an industry standard. This pedal is simple to use, well built, and works perfectly every time. After years of using clip-on tuners, it's a relief to finally have a tuner that can pick up those low strings on my bass guitar. If you need a tuner, you can do no better than the TU-3.

The boss tuner looks like it is bullet proof and will withstand massive amounts of wear. I am very glad in buying my first tuner pedal and the mechanics are great in my opinion. Nothing further to say but thanks Jason once again!

Had one that was destroyed in a house fire so had to have another one. Very good tuner .

Bought this to replace a Boss TU-12 that i have used since 1984. Does everything it is supposed to do. I really like the mute feature on this pedal, no more running to the amp to hit the standby.

Great pedal. Would highly recommend this to others.

My favorite tuner pedal on the market.

Best tuners at best poss price with Sweetwater! Hands down

Works Awesome. I can tune with no problem live between songs without issue and no body hears a thing with the way it shuts off the sound while tuning. A must have for anyone playing live or just playing at home.

Bought this tuner for a new pedal board I just set up. Wow, what a difference it is having a tuner on a paddleboard! As we all know boss make some great pedals and this tuner is no exception. I definitely recommend this one if you don't have one already.

Great product, seems the older I get the more tone depth I get. This makes playing fun again.

I have never owned a tuner with all of these bells and whistles thank you for such a great product

Best pedal tuner I've ever owned! I am highly impressed by the quality and accuracy of this beautiful addition to my stage gear. Intonation is very important to me. All of my basses are set with a very expensive strobe tuner after every string change. I compared the two and was very pleased in the accuracy! My two guitarist are also purchasing one after they used mine. Thanks for a Great product that I'll use for many years! Also, Thank you Jared, at Sweetwater for your Oustanding customer service as always!

Simple, yet way better/more responsive (immediate reading) than my Korg Pitchblack tuner. I use the Bypass for a Royal Blood type setup too

It's a Boss Tuner pedal, man...no brainer. Powers my whole board of 4 other pedals and an A/B box. No complaints. Gets the job done every time. Definitely didn't want to skimp out on a tuner...gotta be in tune. Can't beat it as far as I'm concerned.

Boss is synonymous with rock solid build quality and reliability.

Simply put...I needed a tuner for a small pedal board I put together. I've had a TU-2 for ages and it's never let me down.

If it ain't broke...don't fix it. I bought a TU-3 and haven't looked back. Excellent tuner and when you hit the pedal it cuts off the signal so you can tune in silence and/or change guitars without making a fuss.

Love it. Dead on and quick to to find the note and tune. No bouncing around. Very clean through my rig.

Perfect....tuning is so much easier now.... with drums banging and guitars screaming, I can now perfectly tune my bass. Easy to use with a display that's easy to read while standing. Best investment I've made in a long time.

I have been using an ahdown tuner box and it had a lot of trouble picking up the B string. This T-U3 Tuner is excellent and picks up the B string with no problem. It's easy to read and works great!

Title says it all, WOW, easy, accurate, convenient, no wonder it is the best pedal Boss sells.

I had never used a tuner before always tuned my bass by ear now my daughter is playing bass and the boss tu3 is a must have . It's easy to use and very quick.

This is the tuner! Great solid build, too many options! Works perfectly. If you not have of these,,, get one

This is an absolute MUST HAVE if you're a guitarist/bassist. I'd used an old Seiko ST737 I bought when I started playing up until receiving this, through my amp's send. It was, to put it politely, garbage. This pedal is just wonderful. I feel like I'm in the lap of luxury, going from that AAA battery Seiko POS to the TU3. It's pretty much the industry standard for tuners, right? I should've gotten one 14 years ago. The display is bright. VERY BRIGHT. I turned the brightness up all the way and it was uncomfortable to look at, and my studio is very, very, very well lit. No worries about not being able to read the display under stage lighting.

It's also spot on accurate. I used it to check, double and triple check the intonation an Ibanez 7 string that the Seiko determined was not in tune.

Stop reading this. Buy it. Just do it. I bought it on a Tuesday, it was here Saturday. Sweetwater doesn't mess around.

When you're strings begin "to go" and don't register anymore on your present tuner, generally your strings will still register on the Boss TU-3. For me, that means that I get the most out of my guitar strings and not change them sooner than really needed. I'm sure the same would apply to you too, if you also, had a Boss TU-3. This pedal is not only the best tuning pedal I've encountered so far (best indicator), but it's also an investment by saving money on new strings (when to ultimately change your strings).

accurate to the T. place in pedal chain and stay sharp and on key for the entire show

I have bought and used most all the new little 20.00 clip on tuners in the last 10 years and could never find one of the clip on's that suited me . this boss unit is well worth the money wish I would have bought this first it would have saved me money without a doubt I will never be without mine

I regret not getting this tuner years ago. It is reliable, a solid build, convenient, easy to use and accurate.

Looking for a tuner that will tune my 5-string bass. They all say they do, but this one will. I have tried a lot of the others. None are as accurate or as fast as this one. The Boss TU-3 worked better than a rack tuner. My sales rep from Sweetwater convinced me to try it. His advice was spot on. Once again Sweetwater came through for me. Awesome product support. They know what they are doing !!!

Lovin my new Les Paul running through my new Marshal DSL40 also purchased from Sweetwater. Played 3 gigs already and the sound is great. Thanks to Phil for all his help!

This tuner is easy to use and reliable. Tuning is accurate. Visibility is excellent. There is absolutely no noise or popping sound when activated. The price is very reasonable.

Very capable and easy to use system to tune up or check tuning by using in conjunction with your pedal board... a must have.

this is really a solid and well constructed pedal. It will not fail, and would definitely take a beating on the road. the bright mode is very nice for outdoor performances. Very nice.

I was blown away by Brandon! He checked in many times to make sure everything came as expected. I liked the personal calls. With all the technology out there it was nice that someone cared enough to call, and not just once. His assistant Nicki was also extremely good at getting back to me with answers to my questions. I will definitely recommend Sweetwater to all my musician friends. Great job Sweetwater! Your service and support is outstanding!

GREAT tuner! Boss delivers, yet again.

Extremely convenient...

So I bought this to use with my Taylor 314ce w/ the Fishman Prefix onboard blender and after I figured it out and got acquainted with it, I love it! At first it was being kind of flaky and fluttering a lot, but a quick google search told me that I had the volume too high and it was "overdriving" the pedal. Also, I play with the bass slider all the way up and that creates a little bit of background noise. So, If you keep your volume low and EQ flat while tuning, it's as accurate as can be! Not to mention tough! I think this thing is gonna be around for a WHILE.

AWESOME tuner. I bought this pedal as a less expensive way to power my other three pedals. I already had a Boss TU-10 tuner which was OK. As a tuner this is easy to use, quick (no needle jumping from side to side as you zero in the pitch), easy to see, and accurate. My suggestion to anyone looking for a tuner is to skip working your way up from the $12.00 models and just spend the money up front. It will save you from wasting your time and money to get where you will end up any way.

This a greet tuner, worth every penny. Works just as advertised and better. Sweetwqter is a wonderful place to deal with, service second to none.

great tuner... very easy to use..... total bypass and noiseless... I would recommend it hardly..

Got this tuner to play on stage with the praise and worship team. Easy to see in any light conditions. Only use it in chromatic mode but seems to be very versatile with many other modes available. Simple to use, easy to understand controls and works great!

Great for tuning your guitar an bass. Does every thing that it said it will.

Boss makes the best products on the market.Sweetwater gives the best service,and Wayne Davis is their best sales engineer! Keepup the good work.

This is the best, most reliable, most usable tuner I've ever owned.

The Boss Tu-3 is unsurpassed as a pedal tuner. It's already saved me at least a $100 in set-up fees because it's easy to fix a guitar's intonation without going to a guitar shop. Plus Kurt from Sweetwater is great to work with.

Swapped out my old Fender battery operated tuner for this Boss model.
I should have done this a long time ago! Silent tuning for everyone else to not hear! If your looking for a new tuner, this is it, look no further.

Buy it!

I love this pedal, it is easy to use and helps when playing live. It keeps me in tune and sounding good.

Just started using the Boss TU-3 on stage for live performances ... should of purchased one a long time ago ! accuracy, readability, reliability are top notch it made stage live a lot more pleasurable .

Simple to use. Easy to see. Most important fact: More accurate than any other tuner I have used. Durable and rock solid. The streaming mode reminds me of the old Conn tuners in the High School Band rooms back in the day.

This pedal is perfect for me as a frontman in the band. the quality of this pedal is what i expected from boss. strong and road ready. thanks to sweetwater for advising me with my purchases. this thing lights bright on stage and takes zero quality away from my other pedals and over all sound. invest the money in this, you won't be let down.

Very quick and dead on tuning ,good for stage and home use

Try the others and then buy the best foot pedal tuner on the market for the price
This pedal can be configured to your needs. Bright LED display with multiple modes.
Comes with a five (5) year warrenty
±1 cent tuning accuracy

I been using my previous TU 3 for at least10 years and one other before it,it was time to get a fresh one and it works perfectly, you can't go wrong with this tuner.

I bought the Boss Tu-3 to replace a failed Korg Pitch black tuner. I play bass and it does a solid job. I do say that compared to the Korg tuner, I can see the lights better on outdoor gigs on the Boss tuner. I could hardly see the lights on the Korg tuner on a sunny outdoor show. There are quite a few extra features on the Boss, and I checked them out(various modes), but just using the stock chromatic tuner works best for me.

I recently purchased the Boss TU-3 to replace a tuning pedal from a different brand and different build quality. The Boss is the BOSS when it comes to tuning pedals, as far as I am concerned! I should have saved up a little more and purchased this TU-3 first, rather than the one I initially purchased. The TU-3 works every time, on every guitar I have tried it with. It is fast and accurate, which is more than I can say about my guitar playing! A great product, and it performs perfectly. Thanks, Boss, for making an awesome product!

This pedal is a gem. Makes my rehearsal time far more productive and the accuracy is ridiculous. My clip-on tuner is gathering dust.

Sure glad I got this as it sure beats a Snark on the Guitar. I mainly use this to do intonations on my Guitars. Sure worth the price from a wonderful company such as Sweetwater. What I really am tickled about is that my Guitars stay in tune a lot longer than usual because of this pedal.

So far so good. It is a Boss. Works!

This tuner replaces an older Boss TU-2 on my second pedalboard. The problem with the older one was the lag between activating it and it being able to detect a signal from the guitar. This was frustrating, particularly in a live situation where quickness is important for checking tuning between songs. The TU-3 has corrected that lag. It also seems to be a tad more accurate. If it holds up as well as my TU-2, that"ll be great.

The TU-3 is well designed, solidly built, accurate, and easy to read. It stays where you put it and is more convenient than other style tuners. Once your accustomed to using this tuner, it's the only one you'll want to use. It may be worth ordering the optional power supply along with the tuner. Connecting an instrument cable turns on the power, and it seams to drain a battery quickly (overnight) if you forget to disconnect it. With a power supply, the battery becomes back up, and will most likely last a very long time. If your thinking of getting a tuner, and get a Boss TU-3, you'll be happy that you did.

What can you say about a tuner? It's simple, solid, and the tuning accuracy is awesome.

This tuner is top of the line. It is simple to use and seems quite accurate. In other words, it does what Boss claims it will do - and it does it quite well. However, in my goal of decreasing the size of my bass pedal board, I found it to be too large, so it's back in the box. In it's place I'm using a TC Electronics polytune2 mini.

This chromatic tuner is a very accurate tuner pedal. I am happy with it and I take it everywhere. It is gig worthy. This is great for guitars that get out of tune quickly or tuning a guitar to a different tuning. I don't have enough guitars to have a different tuning for each one, so this is nice to have. If you are looking for an amazing tuner pedal that works, is very accurate, and is gig worthy, I suggest you buy this!

I bought this tuner on the advice of a well known, respected guitarist, and it's all I expected it to be. The display reacts quickly, and the high visibility meter makes it easy to see in all types of lighting conditions. I definitely recommend it, but a word of caution: the pedal runs on battery power unless you also purchase an AC adapter. The unit is powered up whenever you have it jacked in, so w/o the adapter the battery is very short-lived. Could be a problem when gigging, so bite the bullet and purchase the AC adapter with the unit.

Great product.

Although now there are tuners with bigger, better displays, more display options, other tuning modes, and can tune more than 1 string at once. But, none are built as strong as this one. The buffer in this pedal is very good compared to a lot of other pedals I've tried. From my experience, the other tuners don't have a buffer. When I ran it first, it gave me consistent tone and improved it. But, this tuner easily competes with the others because it also has a lot of features such as modes of tuning, pitch, flat modes, bass, high brightness. It can sometimes be a little fidgety with the tuning, but its a solid tuner. Worth the money, and it improved my tone. It will last a long time like all other Boss pedals.

There's not much to say about this pedal.
It's a great tuner, and is a must on anyone who wants to keep in tune.
Don't hesitate. Just get it :)

Love the whole process !!! Great price and even better service ... I needed a Boss tuner and did the usually price comparison and web search routine and I kept on coming back to sweetwater ... Well sticking true to my procrastinating self I ended up buying the pedal 3 days before our gig not only did I get a phone call telling me the pedal was in stock and on its way ... It arrived in 2 days opened the box to find my tuner and numerous bags of candy !!! It made my pedal board for the gig and the band loved the treats ... My go to source for all my equipment

Performs as advertised with good build construction and easy to read display. I'd recommend it if you're looking for a quality tuner.

It's the only boss I own and I'm not disappointed

Works great. Able to constantly check tune after bending and using the Tremelo. Batteries don't last, buy the AC adapter.

Outstanding addition to our "toolkit" especially like the bright display and the fact we dont have to balance it on our knee or anything. Just what we needed for our guitars. .

This tuner is all you need indoors or out! Easy to use and fits perfectly on my pedal board. My only 1/2 star downside is that sometimes electronic tuners can be TOO accurate. When I first used this tuner I caught myself "micro-tuning" to satisfy the dial. But when you hit that 'tuned' indication, brother you are in tune! Wouldn't trade this product for 10 others. Boss has this stuff figured out. Good Luck with yours!

Every guitar player should have a tuner in their pedal board. Period!!! You can't go wrong with a Boss tuner, or a TC PolyTuner, or even a Korg tuner. Doesn't matter which one as long as you a have a tuner. But for me I always fall back to the Boss TU pedals. Their TU-3 is one awesome pedal you can count on - well in this case, "step on." Ease of use, rugged, dependable, never lies to you... I love it!!

Received the Boss TU-3 tuner and it is as advertised! The tuner does about everything you can think a tuner can or should do. Recommend it!

GREAT TUNER SO FAR , BUT MAKES A LOT OF NOISE IN BYPASS MODE ON SOME AMPS .

great little pedal,finally.

Its works really well.

I bought this tuner for my Les Paul. The instruction manual does not say that you can not leave the guitar plugged in the tuner when using the 9V battery. It will drain the juice of the battery in 2 days. So I bought an external power adaptor and I can tune my guitar any time I want. The LEDS are bright and easy to see. Great tuner.

Quick and accurate. Glad to spent the money.

This is not the best tuner on the market...some research will find tuners that are more accurate, faster tracking, true bypass, etc etc...but this tuner remains a classic because it never fails. I have had one since it first came out in 2010, and it has been with me at every show since. From rolling around in the gear bag all day, to being stepped on every night and thrown in the back of the truck afterwards, this pedal takes a beating and never fails. The display is plenty bright and easy to read, the tracking is fast, the switching mechanism is predictable and quiet (no loud clicks from true bypass switches), and the signal buffer is effective (not great, but not problematic unless stacked up with 2 or 3 other Boss pedals). All in all a great tuner, you really can't go wrong with Boss.

This tuner has always worked great. I used to have the Tu-2, and then a buddy of mine got the new TU-3. When we played shows it was great, except for one part. Anytime we were outside on a bright day it was impossible to read this thing.

I have switched over to get a peterson classic stomp now so that I can see it outside during shows, but otherwise this product is amazingly accurate and did a great job for many years at keeping me in tune.

This is an excellent tuner with all the features you need. Highly recommended.

Received this tuner and immediately began using it in line which was why I wanted it. No disconnecting or stopping for tuning, just step on the pad and you are off the amp line. Vision of tuner is easy to see for old eyes too!

Great pedal so far, great construction.

This reliable tuner/disconnect would get 5 stars if the package included a power unit. When things are plugged in to the input, it is "on" so the battery will run down if you leave it plugged in. I guess I could go find an aftermarket transformer, but I'm unsure what voltage to use. Boss needs to make this a plug-in power unit straight out of the box (without jacking up the price...transformers are inexpensive).

This is one of the world's most popular tuners. Therefore, it's clear they're doing something right. Obviously, a lot of musicians successfully use this thing. However, this tuner was not for me. I found it difficult to use. If I'm standing, and this tuner is on the floor, I find it difficult to see on the display if it's in tune or not. The display relies on having a green center point and then red points to the left or the right if it's flat or sharp. The object is to get rid of those red marks and end up with just the green center mark. The display is just too small for me.

Is it because of nearsightedness? Nope. I have trouble seeing close, not far. However, I do have a smidgen of astigmatism. They may have been enough to make it hard to distinguish. I'm also certain that it would be difficult to distinguish for anyone who suffers from colorblindness. You must be able to easily distinguish between red and green, something that's tough for most people who are colorblind.

There was a different mode, a "strobe mode," which I found a little easier to use. That mode shows counter-clockwise or clockwise movement, depending on whether the note is flat or sharp, and you adjust the tuning key until it stops moving. I found this easier, but the display was still frustratingly small for my tastes.

I've therefore exchanged this for a Peterson HD Stomp. That pedal has a much, much easier to read display. It displays a really big and readable note letter -- A, B, C, or whatever, and then it uses that strobe system that I described. However, the pegs that represent the strobe are much bigger and easier to see. I have a much easier time seeing if the note is sharp, flat, or spot-on. There's also no need to distinguish colors. A colorblind person would also be much better off with the Peterson.

I was also frustrated with the TU3's interface for changing tuning modes. You change it by pressing a little black button, one which is hard to find on a dark stage. Then, when you do find that button, the tiny little peg that shows you which mode is hard to see. You would need to memorize which mode is which.
The Peterson, on the other hand, had a way to change tuning modes by plucking a string. It's ingenious. You can do it from your guitar. This was yet one more way in which the Peterson is much easier to use?

Was there anything I preferred about the TU3 over the Peterson? Yes. On the TU3, if you step on the pedal to begin tuning, it blocks your output to your amp immediately (if you have it set that way). The Peterson does the same thing, except that it takes a moment longer. However, that is not enough to be a deal breaker for me. I just need to remember when I stomp to tune to wait about "one one thousand" before starting to tune. Not a big deal, but the TU3 is better on this one point.

It's possible you might love the TU3. If you're reading this review and are thinking, "That wouldn't bother me" on my main points, then this pedal will likely work fine for you. On the other hand, if you're thinking, "Uhg, no, I need that bigger display," or if you're colorblind, then it's a slam dunk for the Peterson.

I'm giving this a rating of three stars, but ratings have big limits. In reality, I would probably give it 2 stars for some people, three stars for others, on up to 4 stars, depending on the person. In short, I've exchanged the TU3 for the Peterson over issues of ease of use. The Peterson is also known to be more accurate, but would that accuracy make a difference in your sound? If you're just playing Cowboy chords on an acoustic guitar, probably not. However, if you're setting your guitar's intonation, then, yes. You're probably better off with the Peterson's accuracy.

In short, if you've tried the TU3's interface, and you love it, then you're fine getting this model. On the other hand, if you would do better with the bigger display that does not require distinguishing colors, then it's worth the extra bucks to get the Peterson.

It tunes my bass although not as precise as I hoped. I was trying to get away from clip-on tuners, although with the clip you can get it dead on. It's easier with the pedal because it's always right at your foot and you don't have to worry about losing it or breaking it like you do with the clip. So, it's alright, I'm in tune and it's versatile.

I used this pedal about a dozen times over a two-year period when it just stopped working. It was a month outside of warranty when it happened, so now I'll need to gamble on returning it for repair at $40/hour (billed at 10 minute increments, so 70 minutes of repair = $80, plus shipping) or replacing it (with something else).

This thing has been a huge headache and disappointment. I'm a pro and had my T-2 for almost 2 decade w/not one single problem, EVER. It got stolen. So, got a T-3
The most frustrating part is sometimes it works and sometimes it doesn't. Making you look like a fool. Just like I'm sure I'll be asked all the standard stuff that is reserved for newbies and rookies that are susceptible to the oversight of all the various factors that only experience can really prepare one for..
I've seen these symptoms repeated by T-3's owned by other on the web. So, it may not be many but there are more cases that are identical... So, I'm junking it, and buying me another T-2. If it ain't broke than don't fix it. And if it's stolen don't attempt to upgrade when it was already as best as it gets

Got this a couple years ago from Sweetwater as a backup to my Korg which recently failed at just over two years. It's been used maybe a half dozen times. Tried it today and all I get is the "Check" light. Did the factory reset. No go. It will go into "Demo" mode but that doesn't do me a bit of good. Tried various cables, no go.
I don't know what it is with these pedal tuners, but I've found for 1/4 the money the clip-on's are a better deal. I've had a couple Boss TU-05's that work quite well (and are still working well), but I've had Korg pedal tuners, Boss pedal tuners & TC Electronic pedal tuners all go bad within a short period.Maybe these companies should start making their products with USA made components.

This is the 3rd boss pedal to stop working for me after two years.. I only play at home everyday... each boss pedal, a bb, a loop r3, and this t3... all have some issues when the pedal just stops functioning properly... it's like Boss makes their junk to fail. Buyers beware Boss is a junk brand.

pedal died within a month and a half

I am not sure if this is due to the pedal itself, or something defective about this particular unit, but I purchased this Boss TU-3 from Sweetwater about a week ago, and already it is not working. I have replaced the battery and it remains glitchy and unstable.

This is my third Boss TU-3, but the last two I've bought over 5 years ago. So maybe it's something with the newer versions or builds with this pedal, but mine is currently less than satisfactory.

This thing has one job, and when it works, it does that job as well as every other tuning pedal. The problem is, it doesn’t always work, and that makes it unreliable, something a gigging musician cannot afford. It does this thing where it will start scrolling crazily with the low battery light lit, despite fresh batteries. This makes it impossible to use. Of course it started acting up outside of the warranty period, so now I have a fishing weight on my hands and I don’t even fish. Avoid this pos.

The fucntions don't work, the tuner wont stay on. It won't stop flashing. A paperweight piece of trash!!! Brand new yesterday, absolute useless today. Returning asap and getting something with reliability. As far as pedal tuners go, do not buy Boss

I know this gets rave reviews, but I and the guitarist in my band have this tuner, and we both had the exact same intermittent problem with it. The display suddenly starts scrolling wildly and the tuner doesn't work.Thank God for my little plug-in tuner. The guitarist gave up on his and got different model. I'm finally giving up on mine. That's why I'm here: looking for another tuner. Tuners are supposed to be pretty simple. They should work. Especially when they're as structurally well-made as this one.