Boss Chromatic Tuner

The Boss TU-12EX Chromatic Tuner features fast, accurate tuning with Accu-Pitch, an audible pitch that indicates when 3 cents of in tune. Other features include an easy to read display with needle and LED guides, built-in microphone for acoustic instruments, audible reference pitches, battery-saving Auto-Off, and Flat or Dropped Tuning of up to six half steps.

• Specifications: Tuning range and reference pitches from E0 (20.6 Hz) - C8 (4186.0 Hz), A4=438 Hz-445 Hz (1 Hz steps). Accuracy to +/- 1 cent. Requires two AAA batteries (included) or optional AC adaptor. Size 5 13/16" x 2 1/8 " x 1".