Used BOSS TU3 Chromatic Tuner Pedal

Used BOSS TU-3 Chromatic Tuner Pedal in great condition, delivering fast, accurate tuning for guitar and bass in a rugged compact stompbox. Features chromatic and guitar/bass modes, bright 21-segment LED meter for easy visibility, and reference pitch calibration from 436–445 Hz. Supports standard and flat tuning down to 6 semitones, plus a convenient mute/bypass for silent tuning. Powered by 9V battery or optional AC adapter.