The TU-3 - the world's best-selling tuner for live use - combines proven BOSS tuning technology with a compact pedal format. Performers all over the world rely on this robust floor pedal when it comes to tuning their instruments quickly and precisely every night. The reasons: perfectly legible displays, simple operation and maximum reliability on the road. In combination with the mute function, the buffer and the ability to power connected devices, the TU-3 is an indispensable companion.

Sharp 21-segment LED display with brightness control
High-brightness mode optimises the visibility of the display in daylight conditions
Precise measurement down to +/- 1 cent
Accu-Pitch notification provides visual confirmation when the correct pitch is reached
Chromatic mode for tuning at any pitch
Guitar and bass modes for tuning by number of strings, including support for 7-string guitars and 5- and 6-string basses
Flat tuning options for down-tuning up to six semitones lower (guitar mode) or three semitones lower (bass mode) than standard tuning
Automatic muting at the output when the tuner is activated for silent tuning on stage
DC Out socket for powering additional pedals (requires optional PSA adapter and PCS-20A distributor cable)