The Leading Stompbox Tuner, Refined with Waza Expertise

With the TU-3W, BOSS brings Waza Craft mojo to the world’s leading stompbox tuner. At its core, the TU-3W provides rock-solid tuning equivalent to the industry-standard TU-3. In true Waza tradition, the pedal’s benchmark functionality is further enhanced with BOSS skill and craftsmanship. Pure, uncolored signal transfer is essential for a tuner, and the TU-3W features redesigned circuitry with selectable buffered or true-bypass operation and the most transparent audio pass-throu

• The world’s leading stompbox tuner, enhanced with Waza innovation and craftsmanship


• Superior tuning and premium signal buffer in one pedal


• Tuning functions are identical to the industry-standard TU-3


• Refined audio circuitry for exceptionally pure signal pass-through


• Buffer can be turned off for true-bypass operation


• BOSS five-year warranty