The GT-12 Guitar/Bass Chromatic Tuner, which features a comprehensive LCD display, in addition to a highly accurate VU-style meter and LED sharp/flat indicators. This combination allows for maximum versatility and visibility when tuning, even in low-light situations. The smooth action VU-style meter and LEDs instantly show accurate tuning, while the LCD displays the calibration setting, flat mode, note name, and battery condition.

In addition to auto and manual modes, the GT-12 also supports Open tuning, with 4 standard open tunings (E, A, D, G), as well as quadra-flat tuning modes that can detect dropped pitches of up to 4 semi-tones.

The GT-12 features a built-in microphone, calibration in the range of 438-445 Hz, and ability to detect pitches from A0-G8. In addition, an onboard reference tone oscillator is included.

The Korg GT-12 offers simple, comprehensive tuning in a convenient compact unit, and is powered by 2 AA batteries or an optional AC adapter.

Features
Dedicated chromatic tuner for guitar/bass

Needle-style meter and LCD screen for excellent visibility

2 types of tuning modes: Auto or Manual

Reference tone oscillator

Flat tuning and open tuning modes are supported

Ukulele tuning is supported

Adjustable calibration

Built-in mic for use with acoustic guitar

Battery life indicator