Polyphony -  8 voices (up to 8 multitimbral parts)
 
Oscillators -  Alesis proprietary DSP Analog Modeling: Three oscillators per voice, with continuously variable wave shapes (Sine, Square-Pulse, Saw-Triangle), sync and FM
 
Filter -  2 multi-mode filters with 20 classic and unique filter types.
 
Envelopes -  3 EGs: Pitch/Mod, Filter, and the Amp have their own ADSR envelopes.
 
LFO -  2 multi-wave LFOs and 1 S&H. Ring Modulator. FM. hard&soft OSC sync
 
Effects -  One insert drive effect per voice, Two master effects processors, with reverb and delay. Built-in 40-band Vocoder.
 
Keyboard -  37 keys (velocity, release velocity sensitive)
 
Memory -  1,000 Programs (500 preset programs, with space for 400 more) fully compatible with Ion programs.
Over 200 preset pattern sequences and 250 preset drum rhythms, with space for hundreds more
 
Includes Power Supply