The Virtue digital piano has 88 full-size velocity-sensitive keys with adjustable touch response powerful built-in 30-watt speakers (15W x 2) and 128-note max polyphony for a realistic-sounding and involving playing experience. Premium sound and features. The Alesis Virtue features 360 realistic built-in sounds that cover a wide variety of instruments acoustic and electric pianos organs strings brass woodwinds percussion mallets guitars synths and even sound effects. You can layer multiple sounds together in layer mode or split two sounds across the keyboard in split mode. You can also easily add and adjust chord and reverb FX as well as enable the included pedal resonance feature to add additional realism. The Virtue has 80 built-in demo songs and a one-touch song mode with 160 built-in accompaniment styles that enables you to instantly create songs in a wide variety of genres. You can even record your own songs using the built-in Record mode. Powerful learning tools virtue features a large LED backlit screen with a grand staff that displays the current notes being played and it also shows the names of chords being played in the one-touch song mode. There is also an easily-adjustable built-in metronome and a lesson mode that divides the keyboard into two identical sections with the same pitch and voice so you can easily watch and play with a teacher using the same instrument.