Used BOSS TU3 Chromatic Tuner Pedal

The BOSS TU-3 Chromatic Tuner Pedal offers accurate tuning with a bright 21-segment LED meter and High Brightness mode for outdoor visibility. In great condition, this used pedal supports tuning modes for guitar and bass and handles flat tuning up to six semitones. Built for durability in a compact stompbox design, it features true bypass and a convenient mute function for silent tuning—perfect for stage and studio use.