Just Tuner Pedals – What You Need to Know About the BOSS TU-3 Tuner

The industry-standard tuner for guitar and bass in an ultra-compact size for pedalboards. The display and tuning functions are identical to the world’s top selling stompbox tuner, the BOSS TU-3—the only thing eliminated is the pedal switch. 21-segment LED meter with brightness control. High Brightness mode enhances meter visibility outdoors. Accu-Pitch Sign function provides visual verification when tuning is complete. Chromatic and Guitar/Bass modes, with support for 7-string guitars and 6-string basses. Guitar Flat mode supports “drop” tunings up to six semitones below standard pitch. Powered by optional PSA-series adapter; DC Out jack for powering up to seven BOSS compact effect pedals via an optional PCS-20A daisy-chain cable. BOSS five-year warranty.

Polyphonic Tuning Technology: Tune all strings at once with polyphonic mode, or switch to chromatic mode for individual string tuning. Built-In Bonafide Buffer: Preserves your tone with zero signal degradation, even in complex pedalboard setups. Bright LED Display: 109 powerful LEDs ensure clear visibility in any lighting condition, from dark stages to direct sunlight. Always-On Tuning Option: Use always-on mode to tune silently during performances without interrupting your signal. Compact and Durable Design: Mini pedal size with a sleek black finish, perfect for space-saving pedalboards.