Although the QuadraSynth Plus has 64 notes of polyphony, playing a patch with multiple tones will reduce the polyphony. A patch with four tones will only have 16 notes of polyphony.
Year Released: 1995
Keyboard: 76 keys with velocity
Polyphony: 64 notes
Multitimbral: 16 parts
Preset Patches: 512
User Patches: 128
This keyboard is MIDI-enabled.
MIDI Connections: Standard 5-Pin MIDI in, out, and thru connections.
Alesis Quadrasynth S4 plus ($125)