Boss TU3 Chromatic Pedal Tuner with Bypass

The Gold Standard in Stage Tuning

The TU-3—the world’s best-selling stage tuner—unites trusted BOSS tuning technology with our iconic compact pedal format. Top performers everywhere rely on this robust stomp for fast and flawless tuning night after night, thanks to its high-visibility meter, simple operation, and road-tested durability. The versatile TU-3 also includes a mute function, tone-saving buffer, and power distribution capabilities, making it an essential utility tool for every player.

Leading the Industry for Nearly Three Decades

In 1998, BOSS introduced the TU-2, the world’s first pedal-based chromatic tuner. This game-changing product was an instant smash, making stage tuning easier and more convenient than ever before. The TU-3 followed in 2009, building on its popular predecessor with increased tuning precision, an enhanced LED meter, and expanded modes. Regularly seen on stages across the globe, TU pedals continue to be the go-to tuners for everyone from local players to famous touring pros.