Used BOSS TU3 Chromatic Tuner Pedal

Used BOSS TU-3 Chromatic Tuner Pedal in good condition, delivering fast, accurate tuning for guitar and bass with a bright 21-segment LED meter and high-visibility mode. Chromatic and Guitar/Bass modes, selectable true bypass or buffered output, and a convenient mute function make it stage-ready. Supports standard and flat tunings, with pitch calibration from 436–445 Hz. Runs on a 9V battery or optional AC adapter for dependable performance.