Authentic sound, natural touch - in practice and performance Perfect for beginners and experienced players alike, the ARIUS YDP-140 provides true piano sound and feel. The GHS keyboard with matt black keytops and 3-level AWM Dynamic Stereo Sampling voices deliver remarkably authentic sound and natural expressiveness. The damper pedal includes a half-damper effect for expressive control over the sustained sound. Dual voice capability lets you play two different instrument sounds at the same time, while a 1-track song recorder allows you to capture your original musical ideas and performances. Graded Hammer Standard (GHS) keyboard with matt black keytops 3-level Advanced Wave Memory (AWM) Dynamic Stereo Sampling Half-Pedal Control 64-note polyphony Built-in library of 50 piano songs