Tuner and metronome can be used simultaneously or independently; you can practice your pitch and rhythm at the same time * Highly responsive LCD needle-type meter * Wide detection range from C1 to C8 * Sound Out function produces a reference tone in a three-octave range from the built-in speaker * Sound Back function generates the reference tone that"s closest to the input sound, while the meter indicates the pitch discrepancy between the reference and the input sound