The Roland RD-300NX is a digital stage piano designed for live performance. It features 88 weighted-action keys, a wide range of sounds, and advanced features such as a multi-track recorder and USB connectivity. The RD-300NX is designed to provide professional-level performance in a lightweight, portable package.
The Roland RD-100 is a digital stage piano released in 2004. It features 88 weighted keys, a variety of sounds, and a built-in sequencer. It is designed for use in live performance and studio recording.
Roland RD is a series of professional stage instruments launched in the 80's. RD-500 is one of the successful digital instruments with recorded samples of pianos, organs, harpsichords, strings, as well as synthesizers, bass and percussion instruments....
The Kurzweil SP1 is a digital stage piano designed for professional musicians. It features 88 weighted keys with hammer action and a range of onboard sounds and effects. It also has a USB port for connecting to a computer and a range of connectivity...
ES-110 is an ES-100 clone with a light Hammer Compact Action (RH-C) keyboard version and a smaller weight (12kg vs 15kg). The sound engine is identical in both models.