Soundcraft Si Expression 1 Powerful cost effective digital console, Mixer

The Si Expression 1 features 16 recallable mic pre amps (24 on Si Expression 2 and 32 on Si Expression 3) plus 4 line inputs, 4 internal stereo FX returns, AES in, and a 64x64 expansion slot offering more than enough scope to use every one of the 66 input processing channels. Every input processing channel has dedicated processing for high pass filter, input delay, gate, compressor and four band EQ whilst keeping it under control is a comprehensive automation system augmented with four mute groups and FaderGlow to light the way so you are never lost.

All Si Expression consoles have busses, output processing and connectivity to match the versatility of the inputs; the 14 aux/group mixes can be configured as 14 mono mixes, 8 mono plus 6 stereo mixes or almost anything in between, whilst the 4 matrix mixes can be mono or stereo as needed. The bus and matrix mixes are complemented with four more mix busses dedicated to the internal Lexicon FX processors all in addition to the left, right and centre busses. Each bus mix features a compressor, 4 band EQ, BSS graphic EQ and delay always available all of the time. Output connectivity is comprehensive with all models featuring 16 balanced line outputs, headphone monitor out, AES out and of course the 64x64 option slot.


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