Kurzweil SP5-8 88 Key Stage Piano with Fully-Weighted Graded Hammer-Action and Velocity and Pressure Sensitive Adjustable Keys 88 note hammer action stage piano with Kurzweil PC3 technology 1024 sounds, 64 note polyphony, and 4 split layer zones Dozens of complex effects chains available to polish your sounds 16-part multi-timbral capability Dozens of complex effects chains available