Keyboard: 76 keys
Preset Patches: 80
User Patches: 80
Effects: 24-bit Digital Effects
Patch Memories: 180 (80 Preset, 80 Internal, 20 Drum Kits). Memory card adds two banks of 80.
Waveform Memory: 120+ Waveforms (Manual says 121 on page 5-2 and 124 on page 5-11).
Sequencer: 16 Tracks, 9000 Notes, 70 Sequences (Expandable to 58,000 Notes with SQX-70).
Sequencer Resolution: 96 PPQN
The Ensoniq MC-32 RAM and SC-2/PC-2 ROM cards work with this synthesizer. The PC-2 will not work with an SQ-1 or SQ-1 Plus.
Latest OS Version: 1.2
Latest OS Version For SQ-2/32: 2.03
To our knowledge there wasn't a copy of the SQ-1 Plus / SQ-2 manual available in PDF form, so we scanned our copy. It's available below.
There is also a freeware Windows-based editor available for the SQ-2 called KSEdit.