--- product_id: 48248828 title: "TU-3 Chromatic Stompbox Tuner pedal | Extremely robust BOSS stompbox housing, LED display with 21 segments" brand: "boss" price: "6980819₫" currency: VND in_stock: true reviews_count: 13 category: "Boss" url: https://www.desertcart.vn/products/48248828-tu-3-chromatic-stompbox-tuner-pedal-extremely-robust-boss-stompbox store_origin: VN region: Vietnam --- # ±1 cent tuning accuracy 21-segment high-brightness LED meter Power supply for 7 BOSS pedals TU-3 Chromatic Stompbox Tuner pedal | Extremely robust BOSS stompbox housing, LED display with 21 segments **Brand:** boss **Price:** 6980819₫ **Availability:** ✅ In Stock ## Summary > 🎸 Tune like a pro, perform like a legend. ## Quick Answers - **What is this?** TU-3 Chromatic Stompbox Tuner pedal | Extremely robust BOSS stompbox housing, LED display with 21 segments by boss - **How much does it cost?** 6980819₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/48248828-tu-3-chromatic-stompbox-tuner-pedal-extremely-robust-boss-stompbox) ## Best For - boss enthusiasts ## Why This Product - Trusted boss brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Tuning Mastery:** Achieve studio-level pitch accuracy within ±1 cent for flawless sound every time. - • **Silent Tuning Confidence:** Automatic mute function lets you tune discreetly between songs without disrupting your set. - • **Versatile Chromatic Modes:** Seamlessly switch between chromatic, guitar, bass, and flat tuning modes—including 7-string and 6-string bass support. - • **Unrivaled Stage Visibility:** High-brightness 21-segment LED meter ensures crystal-clear tuning even under blazing outdoor lights. - • **Rugged Reliability & Power Hub:** Built like a tank with a 5-year warranty and powers up to seven BOSS compact pedals—your pedalboard’s backbone. ## Overview The BOSS TU-3 Chromatic Stompbox Tuner is the world’s top-selling stage tuner, delivering ultra-precise tuning with ±1 cent accuracy. Its rugged stompbox design features a high-brightness 21-segment LED meter for unbeatable visibility in any lighting condition. Supporting chromatic, guitar, bass, and flat tuning modes—including extended range instruments—the TU-3 mutes automatically during tuning and powers up to seven BOSS pedals. Trusted by professionals worldwide, it comes backed by a 5-year warranty for long-term gig-ready reliability. ## Description From the manufacturer TU-3 Chromatic Tuner About BOSS BOSS, a division of Roland Corporation, has achieved legendary status among guitarists, bassists, and vocalists with a diverse, class-leading product line-up of creative tools with exceptional sound, intuitive control, and rugged durability. Since 1977, BOSS has lead the way with innovative effects pedals, amplifiers, multi-effects processors, and loopers to wireless systems, vocal effects, tuners, metronomes, rhythm machines, recorders, and more. Additional Features Supplies power for up to seven BOSS compact effect pedals Bringing the legendary stomp pedal quality and ruggedness to the tuner world. The world’s top-selling stage tuner, the BOSS TU-2, evolves and improves with the debut of the new TU-3. Housed in a tank-tough BOSS stompbox body, the TU-3 features a smooth 21-segment LED meter with a High-Brightness mode that cuts through the harshest outdoor glare. Choose between Chromatic or Guitar/Bass tuning modes, and enjoy visual pinpoint tuning verification with the Accu-Pitch Sign function. 21-segment LED meter with brightness control High-Brightness mode enhances meter visibility outdoors Accurate to +/- one cent 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 Review: Excellent BOSS TU- 3 Tuner Pedal - Excellent tuner pedal! The BOSS TU-3 is incredibly accurate, fast, and easy to use. The display is bright and clear, making it simple to tune even on dark stages or in bright daylight. It's built like a tank, as you'd expect from BOSS, and feels very reliable for regular gigging and practice. The mute function is a great bonus for silent tuning between songs. Overall, a high-quality tuner that does exactly what it promises. Highly recommended! 5 STAR from me! Review: Top quality product - There's reason this is talked about as being one of the best in the market, and that's because it does everything it claims to. In terms of the basics, it tunes my 5 string bass (with bottom B) to a high degree of accuracy, and I love the feedback given by the LED display. I haven't tried it out in bright conditions yet, but I expect I won't have too much of an issue with visibility. I've not tried all the options yet, but having previously owned a TU-2, it seems like there's probably more than I currently need and I like that. The main ones are easy to find and use. The stomp box feels like good quality, I'm not afraid of breaking it, and the size means it fits snugly in my guitar case. Overall a good buy and I'm looking forward to not needing to buy another for years yet. ## Features - Tune your guitar or bass on stage with the TU-3, successor of the BOSS TU-2, the world’s top-selling stage tuner. - Housed in a tank-tough BOSS stompbox body, the TU-3 features a smooth 21-segment LED meter with a High-Brightness mode that cuts through the harshest outdoor glare. - 21-segment LED meter with brightness control. - Accurate to +/- one cent. - 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 seven BOSS compact effect pedals. - BOSS five-year warranty. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004D8KX7K | | Amperage | 85 Milliamps | | Audio Output Effects | Distortion, Chorus | | Best Sellers Rank | 447 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 13 in Tuners | | Brand | BOSS | | Brand Name | BOSS | | Colour | White | | Connector Type | USB | | Controls Type | Knob | | Country of Origin | Malaysia | | Customer Reviews | 4.8 out of 5 stars 2,429 Reviews | | Global Trade Identification Number | 00700315930183, 00761294409664, 04957054409661 | | Hardware Interface | USB | | Included Components | Todo | | Item Dimensions | 10.2 x 7.6 x 15.2 centimetres | | Item Dimensions L x W x H | 25.4L x 10.2W x 25.4H centimetres | | Item Part Number | TU-3 | | Item Type Name | TU-3 | | Item Weight | 390 Grams | | Item weight | 390 Grams | | Manufacturer | Roland | | Manufacturer Part Number | TU-3 | | Model Name | TU-3 | | Model Number | TU3 | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | Battery Powered | | Product Warranty | 5 year. | | Product dimensions | 25.4L x 10.2W x 25.4H centimetres | | Set Name | Single | | Signal Format | Analog | | Style | TU-30 | | UPC | 700315930183 065491929964 270050113276 761294409664 714573528174 411378170163 714573526569 600599646742 602003603693 783627010866 | | Unit Count | 1 count | | Voltage | 9 Volts | ## Product Details - **Brand:** BOSS - **Colour:** White - **Item weight:** 390 Grams - **Product dimensions:** 25.4L x 10.2W x 25.4H centimetres - **Style:** TU-30 ## Images ![TU-3 Chromatic Stompbox Tuner pedal | Extremely robust BOSS stompbox housing, LED display with 21 segments - Image 1](https://m.media-amazon.com/images/I/71jZx+rFzuL.jpg) ## Available Options This product comes in different **Model** options. ## Questions & Answers **Q: can this tune a saxophone??** A: Saxophones absolutely need to be tuned every time you take off the mouth piece or with temperature changes such as going from indoors to outdoors on a cold night (marching band). Tuning is done by shortening or lengthening the distance an the neck of the sax by moving the mouthpiece in or out. This tuner could be used to tune a saxophone if you have a cheap mic that has a 1/4". That said there are less expensive tuners with built in mics that would better suit your purpose. Please note though that no matter what tuner you buy, if it is set to concert pitch (440Hz A / piano tuning) you will want to transpose the notes from Bb (tenor) or Eb (alto) to concert pitch when tuning your saxophone. In other words when you play a C on a tenor saxophone it is a Bb in concert pitch. For alto a C is an Eb in concert pitch. There are some very expensive turners that you can change the tuning from concert pitch to other pitches but they are a waste of money since transposing is not difficult. Make a chart or download one if you struggle at first. Remember that your sax could be sharp on some notes and flat on others so check multiple notes and find the tuning where the most notes are in tune and those that are not are just a little sharp or a little flat. **Q: How does the TU-3 effect a fuzz face if it's placed a couple pedals away after the fuzz ? I assume it has a buffer like most Boss pedals.** A: It is buffered, but the buffer won't affect anything that comes before it. Since certain fuzzes don't "like" buffers, putting those before the tuner will work fine. Guitar > Fuzz Face > Tuner ( or any buffered pedal) > Amp **Q: Is this product adequte for a 10 string pedal steel guitar ? I was told to get a tuner that shows the frequency and I do not see a # on the display** A: This won't show the frequency in Hertz, but it will indicate pitch, and the 10 string pedal steel should be in its range. There is a dot on the display to indicate a sharp. **Q: Will this work when only plugging the input?** A: Yes ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent BOSS TU- 3 Tuner Pedal *by D***R on 1 June 2026* Excellent tuner pedal! The BOSS TU-3 is incredibly accurate, fast, and easy to use. The display is bright and clear, making it simple to tune even on dark stages or in bright daylight. It's built like a tank, as you'd expect from BOSS, and feels very reliable for regular gigging and practice. The mute function is a great bonus for silent tuning between songs. Overall, a high-quality tuner that does exactly what it promises. Highly recommended! 5 STAR from me! ### ⭐⭐⭐⭐⭐ Top quality product *by S***R on 29 May 2014* There's reason this is talked about as being one of the best in the market, and that's because it does everything it claims to. In terms of the basics, it tunes my 5 string bass (with bottom B) to a high degree of accuracy, and I love the feedback given by the LED display. I haven't tried it out in bright conditions yet, but I expect I won't have too much of an issue with visibility. I've not tried all the options yet, but having previously owned a TU-2, it seems like there's probably more than I currently need and I like that. The main ones are easy to find and use. The stomp box feels like good quality, I'm not afraid of breaking it, and the size means it fits snugly in my guitar case. Overall a good buy and I'm looking forward to not needing to buy another for years yet. ### ⭐⭐⭐⭐⭐ Old School Quality *by A***S on 22 May 2016* Accurate and easy to read, this Tuner has been around for ever. Some subtle changes over the decades to improve it slightly but I regard these units as lifetime purchases. Buy one and it's the only one you will ever need. So easy to use. Good and bright for dark stages and it cuts your signal to enable background tuning. This also invaluable when switching guitars. The TC Polytune is the only one that ever comes close this pedal. But I still have my original Boss on my small board and now this Boss tu-3 on my main. This will serve you well for many years folks. ## Frequently Bought Together - Boss TU-3 Chromatic Tuner Pedal with Bypass - MXR Patch Cable 6 in|15 cm - 3 Pack (3PDCP06) - D'Addario Accessories Guitar Pedal Power Supply - DC 9V Power Cord - 9V Power Supply for Guitar Pedals - Pedalboard Power Supply - PW-CT-9V --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/48248828-tu-3-chromatic-stompbox-tuner-pedal-extremely-robust-boss-stompbox](https://www.desertcart.vn/products/48248828-tu-3-chromatic-stompbox-tuner-pedal-extremely-robust-boss-stompbox) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-08-15*