16 (24 - Si Expression 2, 32 Si Expression 3) mono mic inputs
4 line inputs
66 inputs to mix
1 ViSi Connect option card slot for 64 x 64 input/output expansion
Freely assignable faders and patching
Pre/Post selection per input per bus
AES in and out
Global mode encoders
Soundcraft FaderGlow
GEQ on every bus
20 sub-group / aux busses
4 FX busses
8 Matrix busses
LR and C Mix busses
4 Stereo Lexicon Effects engines
Delay on inputs and outputs
4 Mute Groups
Freely assignable insert loops
Harman HiQnet integration
Colour touch screen interface