
Roland Boss TU-3 Chromatic Tuner Pedal with Bypass

The Boss TU-3 Chromatic Tuner Pedal provides precision tuning with a high-brightness LED display, offering true bypass and a smooth tuning experience, making it the industry standard for stage and studio.

Product Description
The Boss TU-3 Chromatic Tuner Pedal is a professional-grade tuner, trusted by guitarists and bassists worldwide. With accurate chromatic tuning, a 21-segment LED meter, and high-brightness mode for outdoor visibility, the TU-3 ensures perfect intonation in any setting.
It features true bypass switching, preserving tone integrity when disengaged. The Accu-Pitch Sign function provides clear visual confirmation of correct tuning, while flat tuning and drop tuning modes support alternate tunings. Designed for rugged durability, the TU-3 is a staple in pedalboards for live performance and recording.
- Sharp 21-segment LED meter with brightness control
- High Brightness mode enhances meter visibility when playing outdoors
- Accurate to +/- one cent
- Accu-Pitch Sign function provides visual verification when tuning is complete
- Chromatic mode for tuning to any pitch
- Guitar and Bass modes for tuning by string number, with support for 7-string guitars and 5- and 6-string basses
- Flat tuning options support down tuning up to six semitones below standard pitch (Guitar mode) and three semitones below (Bass mode)
- The output automatically mutes when the tuner is engaged, allowing for silent tuning on stage
- DC output jack for distributing power to other pedals (requires optional PSA-series adaptor and PCS-20A parallel cable)
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Product Specifications
Features | |
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. |