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.

Oct 21, 2021 · Buy Boss TU-3 Chromatic Tuner Pedal Bundle with Power Supply, Instrument Cable, Patch Cable, and Picks: Signal Path & Pedal Tuners - Amazon.com FREE DELIVERY possible on eligible purchases

The TU-3 is the tuner of choice for the world’s finest players. Discover why this legendary utility pedal remains an industry-standard tool.

The BOSS TU-3 is the world’s go-to stompbox tuner, trusted by players everywhere for its reliable operation and bulletproof durability. Scaled down in size, the TU-3S gives you the same industry-standard performance in a tiny footprint that saves precious pedalboard space.

Sporting separate modes for chromatic or guitar/bass-specific tuning, a High Brightness setting for the clearest readings and the same precision 21-segment LED display as its predecessor, the Boss TU-3 is an industry standard in tuning pedals.

The TU-3 is more than just a rock-solid, dependable tuner for your guitar rig — it's practically a modern legend. The latest member of BOSS's world-famous TU Series, the TU-3 is made to work night after night, stomp after stomp.

The TU-3 is more than just a rock-solid, dependable tuner for your guitar rig — it's practically a modern legend. The latest member of BOSS's world-famous TU Series, the TU-3 is made to work night after night, stomp after stomp.

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.