BOSS TU-05 Clip-On Tuner

The BOSS TU-05 Clip-On Tuner delivers reliable, high-precision tuning for your favorite stringed instruments in a compact, easy-to-use design. Featuring a large color display for clear visibility in any environment and a rechargeable battery that lasts up to 10 hours, the TU-05 combines convenience, accuracy, and durability in one essential tool.

With multiple tuning modes and flexible calibration settings, it’s ideal for guitarists, bassists, ukulele players, and anyone who values quick, accurate tuning on the go.

Large, Easy-to-Read Color Display

The TU-05 features a high-contrast color display that’s bright and easy to see, even on dimly lit stages or in bright outdoor conditions. The display’s wide viewing angle and smooth response ensure fast, accurate tuning feedback at a glance.

• Large, vibrant color screen for clear visibility

• Wide viewing angle for easy use in any lighting

• Compact clip-on design fits securely on any headstock

Accurate, Versatile Tuning Modes

With four selectable tuning modes—Chromatic, Guitar, Bass, and Ukulele—the TU-05 adapts to a wide range of stringed instruments. It provides precise pitch detection and adjustable calibration to suit different tuning preferences or ensemble settings.

• Four tuning modes: Chromatic, Guitar, Bass, Ukulele

• Calibration range: 431–449 Hz

• Fast, accurate response for precise intonation

Rechargeable Battery and Smart Power Management

Forget about constantly replacing batteries—the TU-05 includes a built-in rechargeable lithium battery that provides up to 10 hours of continuous operation. When not in use, the auto power-off feature conserves energy automatically.

• Rechargeable via USB (cable included)

• Up to 10 hours of runtime per charge

• Auto power-off extends battery life

Compact, Reliable, and Built to Last

Designed with BOSS reliability in mind, the TU-05 features a sturdy clip mechanism that ensures stable attachment to any instrument. Whether you’re on stage, in the studio, or practicing at home, this tuner is built to perform consistently and accurately.

• Secure clip fits most headstocks and instrument types

• Lightweight and travel-friendly

• Durable BOSS design ensures years of dependable use

Key Features

• Compact clip-on tuner with high-contrast color display

• Four tuning modes: Chromatic, Guitar, Bass, and Ukulele

• Adjustable calibration: 431–449 Hz

• Rechargeable battery with up to 10 hours of continuous use

• Auto power-off to save battery life

• USB charging cable included

• Rugged, reliable BOSS construction