Three keyboard modes - Single, Dual and Split - which allow you to play a single Voice, two Voices in a layer, or two Voices on separate parts of the keyboard. Other Voice controls let you change the tuning, sound envelopes, Vibrato, Pan and equalization.

Effect, Modulation and Reverb. These three contain a full array of professional quality effects- including Chorus, Phaser, Flanger, auto panning, Enhancer, Compressor, Detune, Wah, Soundboard simulation, and a comprehensive set of Reverb effects. The Effect section of processors even lets you simultaneously use two different effect types on two separate voices.

With the Quick Edit function, you can use the convenient PS 1/ PS 2 panel switches and CS 1/ CS 2 continuous sliders to instantly adjust and alter main Volume, Effect, Modulation, and Reverb settings. Equalizer sliders on the top panel for adjusting the timbre of the overall sound, in five separate frequency bands.

Four separate Paths, letting you control four separate Midi instruments (or sets of instruments). Eleven separate realtime Midi controllers- the PS 1/ PS 2 panel switches, the CS 1/ CS2 continuous sliders, two control Wheels, four Foot Controller inputs, and After Touch. In addition to the four main Paths, the P-500 also has two Extra Midi effect devices and signal processors.

The structure of the P-500 is organized into Voices, Performances and Chains. Many parameters can be stored to memory as part of a Voice, there is space for eleven voices. A Performance comprises all Voice and Midi settings. Thirty-two such Performances can be stored. You can arrange 32 Performances into one of sixteen Chains, and have each Performance called up in the proper order.