Description
The Soundcraft Si Expression 1 is the most compact model in the Si Expression series, designed for portable live sound applications while still delivering full professional digital mixing capability. It features 16 recallable mic preamps, a 66-channel processing engine, and the same DSP architecture found across the entire series. Despite its small footprint, it supports advanced routing, onboard effects, and expansion options for larger systems.
More Information
Key Features
- 16 recallable mic preamps
- 4 line inputs
- 66 input processing channels
- 1 ViSi Connect™ 64×64 expansion slot
- 20 aux/group busses (configurable mono/stereo)
- 8 matrix busses
- L/C/R mix busses
- 4 stereo Lexicon FX engines (built-in effects)
- 4-band fully parametric EQ per channel and bus
- High-pass filter, gate, compressor, delay on all inputs
- BSS graphic EQ on every output bus
- Soundcraft FaderGlow™ channel identification system
- Colour touch screen interface
- 4 mute groups
- Freely assignable insert points
- Global mode encoders for fast control access
- Full DSP processing on all channels and busses
Technical Specifications
- Total input processing capacity: 66 channels
- Mic inputs: 16 recallable preamps
- Line inputs: 4
- Output busses: up to 31 (aux, matrix, FX, LCR combined)
- Aux/group busses: up to 20 (flexible mono/stereo configuration)
- Matrix busses: 8
- FX engines: 4 stereo Lexicon processors
- Expansion: 1 × ViSi Connect™ 64×64 slot
- Digital I/O: AES in/out support
- Processing per channel: HPF, gate, compressor, 4-band EQ, delay
- Output processing: compressor, 4-band EQ, BSS GEQ, delay on all buses
- Control system: FaderGlow™, touch screen, assignable fader layers
- Workflow features: TOTEM™ one-touch mixing, copy/paste, instant access keys
