Polyphony - 32 notes
Voices - XG Format - 480 Normal Voices and 11 Drum Kits
#Instruments - 16 Part multi-timbral
Filter - YES (w/ real-time control)
Arpeggiator - Yes, including Hold and Split
Keyboard - 61 keys (velocity sensitive)
Control - MIDI & computer interface
Date Produced - 1996
Note the CS1X is not a Virtual Analog, but PCM based synth - samples in memory as oscillator waveforms that you can tweak. It is a fun little synth.