Yamaha PSREW400 76-Key Portable Keyboard with Knox Stand and Bench The Yamaha PRSREW400 has 76 Keys & 48-note polyphony, player will benefit from fewer dropped notes and more expressive control than with a lower note count 758 High Quality Voices w/ Live! Grand Piano Voice 12W + 12W Amplifiers w/12 cm Bass Reflexed Speakers Assignable Real-Time Control Knobs, DSPEffects &Pitch Bend Kit Includes: Yamaha 76-Key Portable Keyboard, Knox Adjustable Double X Keyboard Stand & Knox Adjustable X Style Keyboard Bench