PSR-S975 Discontinued The PSR-S975 is the ultimate PSR, with more content and a large memory capacity for expansion packs. PSR-S975 combines all the functionality of other models in the range together with powerful performance features including versatile effects, external display capability and a programmable vocal harmony function.1625 Voices, including Super Articulation Voices, Organ Flutes! Voices. 55 Drum/SFX kits, and 480 XG voices 523 Styles, including 40 Audio Styles, 34 Session Styles, 15 DJ Styles and 3 Free Play Half bar fill-in and Mono legato function 768 MB on-board memory for expansion data Mic/Guitar input for use when singing or collaborating with other performers Vocal Harmony 2 and Synth Vocoder functions Real Distortion and Real Reverb, with an intuitive effects interface USB audio playback with time stretch, pitch shift, vocal cancel and MP3 lyrics display functions External display capability