BOSS TU-02 Clip-On Chromatic Tuner

BOSS TU-02 Clip-On Chromatic Tuner (Guitar / Bass / Ukulele / Chromatic)

Keep your instruments tuned accurately and ready to play with the BOSS TU-02 Clip-On Tuner. Engineered with BOSS’s world-renowned tuning technology, this compact tuner features dedicated modes for guitar, bass, and ukulele, plus a full Chromatic mode for alternate tunings and other stringed instruments. Operating via vibration sensing directly through the clip, the TU-02 allows you to tune acoustic or unamplified electric instruments quickly and accurately—even in loud gig environments or noisy rehearsal spaces. The rugged, padded clip attaches securely to headstocks without scratching or damaging finishes. Featuring a high-contrast, full-color display with flexible swivel and tilt adjustment, it delivers crisp, clear visibility under any lighting conditions, from dark stages to bright sunlight.   

• High-contrast color display provides clear, effortless visibility from any angle

• Heavy-duty, padded clip secures firmly to your instrument’s headstock without damaging the finish   

• Vibration-based clip transducer enables accurate tuning in loud environments without cables or mics

• Flexible swivel and tilt display allows you to dial in the optimal viewing position

• Flat tuning support allows down-tuning up to two semitones lower for heavy styles   

• Auto-off function conserves power when idle to maximize battery lifespan   

• Up to 24 hours of continuous operation on a single CR2032 lithium battery   

• Display / Backlight: Full-color LCD display   

• Tuning Accuracy: +/- 1 cent   

• Reference Pitch Calibration: A4 = 430 Hz to 450 Hz   

• Tuning Range: A0 (27.5 Hz) – C8 (4,186.0 Hz)   

• Power Supply: (1) CR2032 lithium coin battery (included)   

• Tuning Modes: Chromatic, Guitar, Bass, Ukulele   

• Weight: 25 g (0.9 oz) including battery   

• Includes: Owner’s manual, (1) CR2032 coin battery   

Product appearance and specifications are subject to change without notice.