Used BOSS TU3 Chromatic Tuner Pedal

Keep your rig perfectly in tune with this used BOSS TU-3 Chromatic Tuner Pedal in excellent condition. Known for fast, accurate tracking and roadworthy reliability, the TU-3 features a bright 21-segment LED meter with selectable display modes, chromatic and guitar/bass tuning, and a mute/bypass function for silent tuning. Calibration is adjustable (typically 436–445 Hz), and it runs on a 9V battery or standard 9V DC power supply for easy pedalboard integration.