Used BOSS TU3 Chromatic Tuner Pedal

Used BOSS TU-3 Chromatic Tuner Pedal in excellent condition—fast, accurate tuning for guitar and bass with BOSS reliability. Features a bright 21-segment LED meter with High Brightness mode, Chromatic and Guitar/Bass modes, and selectable true bypass or buffered output. Supports standard tuning plus flat tuning down to 6 semitones, A4 calibration from 436–445 Hz, and powers via 9V battery or optional AC adapter. Perfect for any pedalboard.