Boss TU-15 Chromatic Tuner

     The BOSS TU-15 Chromatic Tuner gives guitarists the most accurate tuning possible—bolstered by new Accu-Pitch and Octave Adjust functions—plus popular Drop D, open and flat tunings. A backlit needle and LCD make tuning easy, while improved high-impedance inputs let you connect between an amp and guitar without signal loss.

* Accu-Pitch verifies intonation by sounding a note when correct tuning is reached
* Versatile modes: Drop D, Open D/E/G/A, DADGAD and flat tunings up to 5 semitones
* World’s first Octave Adjust function simplifies tuning using open string and 12th fret
* High impedance input keeps tuner transparent when connected between guitar and amp
* Backlit needle and LCD let guitarists tune up anywhere

Specifications :

Reference Pitch: A4 = 430 Hz to 449 Hz (1 Hz step)
Tuning Range: E0 (20.6 Hz) to C8 (4186.0 Hz)
Tuning Accuracy: +/- 1 cent
Input Impedance: 10 M ohms
Indicator: Meter, LCD Display
Speaker: 27 mm x 1 dynamic type
Connectors: Input Jack, Output Jack, AC Adaptor Jack
Power Supply: Dry Battery [R6/LR6 (AA) type] x 2; DC3V, AC Adaptor DC9V (PSA series; optional)
Power Consumption: 15 mA (backlit off and SOUND mode off), 55 mA (backlit on and SOUND mode on)
Accessories: Dry Battery [R6 (AA) Type] x 2, Owner's Manual
Option: AC Adaptor (PSA series)