BOSS TU-3
Tuner
The BOSS TU-3 is a pedal-format chromatic tuner for guitar and bass.
Its adjustable-brightness LED meter and dedicated chromatic, guitar, and bass modes accommodate a range of tuning setups.
A mute function lets you tune silently, making it useful for onstage tuning and instrument changes.
- Dimensions
- 73 × 130.2 × 59 mm
- DC voltage
- 9 V DC
- Current draw
- 80 mA
- Polarity
- Center negative
80 mA in high-brightness mode; 20 mA in normal mode.