--- product_id: 2240466 title: "BOSS TU-3 Compact Chromatic Tuner" brand: "boss" price: "€ 224.52" currency: EUR in_stock: true category: "Boss" url: https://www.desertcart.fi/products/2240466-boss-tu-3-compact-chromatic-tuner store_origin: FI region: Finland --- # ±1 cent tuning accuracy 21-segment high-brightness LED meter Tank-tough stompbox durability BOSS TU-3 Compact Chromatic Tuner **Brand:** boss **Price:** € 224.52 **Availability:** ✅ In Stock ## Summary > 🎸 Tune like a pro, perform like a legend. ## Quick Answers - **What is this?** BOSS TU-3 Compact Chromatic Tuner by boss - **How much does it cost?** € 224.52 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/2240466-boss-tu-3-compact-chromatic-tuner) ## 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 - • **Built to Endure:** Rugged BOSS stompbox chassis designed to withstand the rigors of touring and live performance. - • **Unrivaled Visibility:** High-brightness 21-segment LED meter with adjustable brightness cuts through any stage lighting or outdoor glare. - • **Silent Stage Confidence:** Automatic mute function ensures zero noise interference while tuning on stage. - • **Pinpoint Precision Tuning:** Achieve professional-grade accuracy within ±1 cent for flawless sound every time. - • **Versatile Chromatic Modes:** Supports chromatic, guitar, bass, 7-string guitars, 6-string basses, and drop tunings up to six semitones. ## Overview The BOSS TU-3 Compact Chromatic Tuner is the industry-standard stage tuner, delivering ultra-precise tuning accuracy of ±1 cent with a bright, adjustable 21-segment LED display housed in a rugged stompbox body. It supports multiple tuning modes including chromatic, guitar, bass, and drop tunings, while its automatic mute function ensures silent tuning during live performances. Trusted by professionals worldwide, the TU-3 powers up to seven BOSS pedals via daisy-chain, making it an essential tool for serious musicians. ## Description Product Description 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 From the Manufacturer TU-3 Chromatic Tuner 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 ## Features - Industry-Leading Stage Tuner: Tune your guitar or bass on stage with the TU-3, successor of the BOSS TU-2, the world's top-selling stage tuner - Durable Construction with High-Visibility Display: 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 - Adjustable LED Meter: 21-segment LED meter with brightness control for optimal visibility in any lighting condition - Precision Tuning Accuracy: Accurate to +/- one cent for professional-grade tuning performance - Accu-Pitch Sign Function: Provides visual verification when tuning is complete for quick and confident tuning - Versatile Tuning Modes: Chromatic and Guitar/Bass mode allows tuning by string number, with support for 7-string guitars and 6-string basses - Drop Tuning Support: Flat tuning is supported with Guitar Flat mode, which allows for drop tunings up to six semitones below standard pitch - Automatic Mute Function: Tuner automatically mutes your signal when the tuner is on for silent tuning during performances - Power Supply Capability: Supplies power for up to seven BOSS compact effect pedals through daisy-chain connection ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004D8KX7K | | Amperage | 85 milliamps | | Audio Output Effects | Tuner | | Best Sellers Rank | #1,217 in Musical Instruments ( See Top 100 in Musical Instruments ) #1 in Guitar Signal Path & Pedal Tuners | | Brand | BOSS | | Brand Name | BOSS | | Color | White | | Connector Type | USB | | Controls Type | Knob | | Customer Reviews | 4.8 out of 5 stars 2,536 Reviews | | Global Trade Identification Number | 00700315930183, 00761294409664, 04957054409661 | | Hardware Interface | USB | | Item Dimensions | 4 x 3 x 6 inches | | Item Dimensions L x W x H | 3.85"L x 2.65"W x 6"H | | Item Highlight | Industry-Standard Performance, Tank-Tough BOSS Stompbox Body, 21-Segment LED Meter, Accu-Pitch Sign Function | | Item Part Number | TU-3 | | Item Type Name | BOSS TU-3 Chromatic Floor Tuner for Guitar and Bass | Industry-Standard Performance | Tank-Tough BOSS Stompbox Body | 21-Segment LED Meter | Accurate to +/- One Cent | Accu-Pitch Sign Function | | Item Weight | 390 g | | Manufacturer | BOSS | | Manufacturer Part Number | TU-3 | | Model Name | TU-3 | | Model Number | TU3 | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | Corded Electric | | Product Dimensions | 3.85"L x 2.65"W x 6"H | | Signal Format | Analog | | Style | Basic | | UPC | 700315930183 065491929964 270050113276 761294409664 714573528174 411378170163 714573526569 600599646742 602003603693 783627010866 | | Unit Count | 1 Count | | Voltage | 9 volts | | Warranty Description | 90 days. | ## Product Details - **Brand:** BOSS - **Color:** White - **Item Weight:** 390 g - **Product Dimensions:** 3.85"L x 2.65"W x 6"H - **Style:** Basic ## Images ![BOSS TU-3 Compact Chromatic Tuner - Image 1](https://m.media-amazon.com/images/I/71jZx+rFzuL.jpg) ![BOSS TU-3 Compact Chromatic Tuner - Image 2](https://m.media-amazon.com/images/I/81LtrTTTcFL.jpg) ![BOSS TU-3 Compact Chromatic Tuner - Image 3](https://m.media-amazon.com/images/I/71PhASyNSXL.jpg) ![BOSS TU-3 Compact Chromatic Tuner - Image 4](https://m.media-amazon.com/images/I/812P8jn9bXL.jpg) ![BOSS TU-3 Compact Chromatic Tuner - Image 5](https://m.media-amazon.com/images/I/61UTQTpEvSL.jpg) ## 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 ## 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.fi/products/2240466-boss-tu-3-compact-chromatic-tuner](https://www.desertcart.fi/products/2240466-boss-tu-3-compact-chromatic-tuner) --- *Product available on Desertcart Finland* *Store origin: FI* *Last updated: 2026-09-16*