With the HP504, Roland’s latest technologies bring superior piano performance to an attractive and affordable instrument for your home. The SuperNATURAL Piano sound engine has been enhanced with a Dynamic Harmonic feature for fortissimo playing, while the new PHA-4 Premium Keyboard with Escapement and Ivory Feel includes the latest touch-sensing technology to fully explore SuperNATURAL Piano’s rich tonal variations and natural dynamics. Individual Note Voicing lets you tailor the sound of each note to your taste, and you can now enjoy the unique sound field of an acoustic piano during your private practice sessions, thanks to the innovative Headphones 3D Ambience effect. And with Roland’s great iOS piano apps, it’s easy to use your favorite Apple mobile devices with the HP504 to enhance your learning and have more fun with the piano.