The BOSS TU-3W is the world's leading chromatic tuner, enhanced with Waza innovation and craftsmanship. It maintains the solid performance of the industry-standard TU-3, providing rock-solid tuning. The pedal features redesigned circuitry for pure, uncolored signal transfer, selectable buffered or true-bypass operation, and exceptional audio pass-through. The design caters to discerning players seeking high-end performance, offering a premium pedal experience. With its user-friendly controls, including a mode button and output switch, the TU-3W is a reliable choice for anyone from casual players to professional musicians.