Roland RD155L Revo

The Roland RD155L Revo is a digital piano designed for professional musicians. It is a hybrid instrument that combines the sound of an acoustic piano with the convenience of a digital piano. It has a full 88-key keyboard with weighted keys, a built-in sound system, and a range of features including a built-in metronome, transpose and split functions, and a USB port for connecting to a computer. It has been used by professional musicians such as John Legend, Alicia Keys, and Norah Jones. The RD155L Revo works by using a combination of digital sampling and physical modeling to create a realistic acoustic piano sound. It also has a range of effects and settings that can be adjusted to create a unique sound.