THE LEADING PEDAL TUNER, PERFECTED WITH WAZA WISDOM With the TU-3W, BOSS puts a Waza Craft cinnamon twist on the world's most famous pedal tuner. In essence, the TU-3W offers foolproof tuning, equivalent to that of the famous TU-3. And true to Waza tradition, the pedal's renowned functionality is honed with BOSS know-how and craftsmanship. It's very important to a tuner to transfer the pure, uncolored signal, and the TU-3W features redesigned circuitry configurable with true or buffered bypass, plus the most transparent audio pass-through possible. With high-end features for the most demanding musicians, the TU-3W is a pedal with quality only available from BOSS.