In impeccable state and almost unused.

It has modulator and synthesizer to create and mix in real time.

The Yamaha PSR S670 has a 16-track sequester to create your own mixes in which you can use all available sounds (which are hundreds) and an 8-channel sequester to create rhythmic patterns.

Sound and DJ functions: originally brings 416 different sounds + 34 Drum kits and an extension of 480 voices with Yamaha XG expansion modules.