TU-3 Chromatic Tuner – Guitar Pedal | BOSS

The New World-Standard Tuner Has Arrived!

Housed in a tank-tough BOSS stompbox body, the TU-3 features a smooth 21-segment LED meter with a High-Brightness mode that cuts through the harshest outdoor glare.


Availability: 2 in stock

SKU: TU3 MC Categories: , , Brand:

The TU-3 incorporates a convenient Note Name Indicator that can display notes of 7-string guitars and 6-string basses, while the Flat-Tuning mode can support up to six half-steps.

It’s the new-standard tuner that no guitarist or bass player should be without!


·        21-segment LED meter with brightness control

·        High-Brightness mode enhances meter visibility outdoors

·        Accurate to +/- one cent

·        Accu-Pitch Sign function provides visual verification when tuning is complete

·        Chromatic and Guitar/Bass mode (tune by string number, with support for 7-string guitars and 6-string basses)

·        Flat tuning is supported with Guitar Flat mode, which allows for “drop” tunings up to six semitones below standard pitch

·        Tuner automatically mutes when the tuner is on

·        Supplies power for up to seven BOSS compact effect pedals

·        BOSS five-year warranty


Orange, White





Product Type

Chromatic Tuner

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