Boss Stage Tuner
The Boss TU-3 Chromatic pedal format tuner sets a new standard with a tough stompbox body, 21-segment LED meter, and a new High-Brightness mode that cuts through the harshest outdoor glare. Other features include Chromatic or Guitar/Bass tuning modes, Accu-Pitch Sign function for visual pinpoint tuning verification, and Flat-Tuning mode for "drop" tunings up to six half-steps below standard pitch. Requires one 9V battery (included) or optional AC Adaptor (sold separately). Size: 2 7/8" x 5 1/8" x 2 3/8".
- Tuning Range: C0-C8
- Reference Pitch: A4 (436-445, 1 Hz step)