Boss TU-3 in AI answers

The TU-3 Chromatic Tuner is BOSS’s pedal-based stage tuner that combines precise tuning with a high-visibility 21-segment LED meter, +/- one-cent accuracy, Accu-Pitch Sign, and a mute function for silent tuning on stage. It offers Chromatic, Guitar, and Bass modes (including extended-range support and down-tunings) and, when used with an optional PSA-series adapter, can distribute power to other pedals via the DC output jack with the PCS-20A cable. Marketed as the world’s best-selling stage tuner, the TU-3 is built for road-ready durability and remains a staple tool for performers worldwide.