Roland's acclaimed SuperNATURAL Piano Sound Engine evolves with Acoustic Projection technology — an innovative, multi-dimensional sound system built into the new HP-507. Acoustic Projection is inspired by the flagship V-Piano Grand and its ability to reproduce the natural sound field of an acoustic piano. The marriage of Roland's world-leading technologies in the HP-507 empowers pianists with a complete, immersive acoustic-piano experience. Natural, organic multi-dimensional sound field of an acoustic piano produced by Acoustic Projection technology SuperNATURAL Piano sound engine with seamless tonal changes according to touch, plus beautiful decay and faithful reproduction of the differences in tone between each key PHA III (Progressive Hammer Action III) Ivory Feel Keyboard with Escapement and Progressive Damper Action Pedal Play classical piano masterpieces using the authentic sounds (such as true fortepiano) they were written for Elegant and bold design; the HP-507 is perfect for traditional or contemporary interiors Onboard LCD offers user-friendly operation with straightforward front-panel layout Energy-saving technology achieves powerful and dynamic sound with lower power consumption