The Boss TU-3 Stage Tuner combines precision tuning with rugged construction, designed to meet the demands of professional musicians. Featuring a high-visibility 21-segment LED meter with adjustable brightness, it ensures clear readability even under the brightest stage lights or outdoor conditions.

Main Features

• 21-segment LED meter with brightness control for easy tuning in any environment
• Accu-Pitch Sign function offers exact visual confirmation when your instrument is perfectly in tune
• Choose between Chromatic mode or specialised Guitar/Bass tuning modes for versatile use
• Guitar Flat mode supports flat tuning down to six half-steps, ideal for alternative tunings
• Built-in power supply capable of powering up to seven BOSS compact effect pedals simultaneously
• Encased in a robust, stage-ready BOSS stomp box housing designed for maximum durability

The TU-3 also includes a Note Name Indicator that displays precise notes for 7-string guitars and 6-string basses. This tuner sets the standard for professional reliability and convenience, making it an essential tool for every guitarist and bassist.

Frequently Asked Questions ➤ What tuning modes does the Boss TU-3 support? The TU-3 offers both Chromatic mode for all notes and dedicated Guitar/Bass modes for instrument-specific tuning. It also supports Flat tuning down to six half-steps via Guitar Flat mode. ➤ How does the Accu-Pitch Sign function work? This feature provides a clear visual confirmation when your instrument reaches perfect pitch, ensuring accurate and confident tuning. ➤ Can the TU-3 power other pedals? Yes, the TU-3 can supply power to up to seven BOSS compact effect pedals through its integrated power supply. ➤ Is the tuner suitable for outdoor use? Absolutely. The high-brightness LED display with brightness adjustment allows visibility in bright outdoor conditions and on stage. ➤ Does the TU-3 support extended range instruments? Yes, it features a Note Name Indicator that can display notes for 7-string guitars and 6-string basses.

Outside the UK?

Please note that shipping costs outside the UK are very approximate and can vary radically. Please contact us with your Country and Post/Zip Code for an accurate quote. Many thanks. Please also note if you are outside the UK we will not charge you tax on your purchase but you may be liable for import duty in your country.

Please also note that all our stock is sold for the UK market. If you are buying from outside the UK, please check that it is suitable for use in your country before purchase.