Semiprofessional Synthesizers Number of keys: 61; Polyphony, number of notes: 128, Other quantity; Sequencer: Yes

Roland E-X50 Synthesizer: Everything you need to create and perform music The E-X50 is a powerful and versatile instrument that's suitable for musicians ..

GO:KEYS is a fun, easy-to-use keyboard that lets you play along with your favorite music - streamed wirelessly through its powerful onboard speakers. Just conne..