Boss TU-3 Chromatic Tuner

Boss TU-3 Chromatic Tuner Pedal

The Boss TU-3 Chromatic Tuner is the industry-standard pedal tuner trusted by touring musicians, guitar technicians, and production professionals for fast, accurate tuning on stage and in the studio. Built with Boss's legendary durability, the TU-3 delivers precise chromatic tuning in a compact pedal format designed to withstand the demands of daily rehearsals, live performances, and touring.

Featuring a bright 21-segment LED meter with adjustable brightness modes, the TU-3 provides excellent visibility under both dark stage lighting and outdoor performance conditions. It supports chromatic tuning as well as guitar and bass modes, making it a versatile addition to virtually any pedalboard. The integrated mute function allows for silent tuning during performances, while the DC output jack can power additional Boss compact pedals, helping simplify pedalboard layouts.

Whether you're building your first pedalboard or maintaining a professional touring rig, the Boss TU-3 remains one of the most dependable and widely used tuner pedals available.

Key Features

• Industry-standard chromatic tuner pedal for guitar and bass
• High-visibility 21-segment LED meter with adjustable brightness
• Chromatic, guitar, bass, and flat tuning modes
• Accurate and responsive tuning performance
• Silent tuning with integrated mute function
• DC output jack to power compatible Boss compact pedals
• Rugged Boss metal enclosure built for touring and live performance

Specifications

• Brand: Boss
• Model: TU-3
• Type: Chromatic Tuner Pedal
• Display: 21-segment LED meter
• Tuning Modes: Chromatic, Guitar, Bass, Flat
• Output: Standard output and DC Out for powering additional pedals
• Power: 9V battery or PSA-series AC adapter (sold separately)
• Construction: Heavy-duty metal chassis