The TU-3 Chromatic Tuner from BOSS is an effect-type pedal tuner that features a smooth 21-segment LED meter with a High-Brightness mode to cut through the harshest outdoor glare. It can be used to accurately tune electric and bass guitars in various environments for applications such as live stage, theater, rehearsals, and more.

Guitar and Bass Tuner Pedal with High-Brightness Mode for Outdoor Visibility, 21-segment LED Meter, Drop Tuning Support, and Guitar/Bass Mode

Type:Chromatic
Format:Pedal
Display Type:LED
Reference Pitch:A4 = 436Hz-445Hz
Tuning Range:C0-C8 (16.3-4186Hz)
Accuracy:±1 cent
Tuning Modes:Chromatic, Flat, Drop Tuning, Guitar, Bass
Inputs:1 x 1/4" (instrument)
Outputs:1 x 1/4" (main), 1 x 1/4" (bypass)
Power Supply:9V DC power supply (sold separately)
Power Usage:30mA (standard), 85mA (High Brightness mode)
Batteries:1 x 9V (included)
Height:2.32"
Width:2.87"
Depth:5.08"
Weight:0.86 lbs.

Boss TU-3 Chromatic Tuner Pedal with Bypass