CHROMATIC TUNER FOR GUITAR & BASS
This successor to the legendary TU-12 provides BOSS’ famous needle/LED indicators for fast, accurate tuning. Other features include Flat Tuning of up to six half steps, ACCU-PITCH with an audible beep, a reference tone, a built-in microphone for acoustic instruments and battery-saving Auto-Off.

Chromatic and Guitar tuning modes
Needle-accurate metering
Accu-Pitch provides audible verification of tuning
Flat mode for drop-tunings
Auto-off prolongs battery life