The Soundcraft Si Expression 1 Digital Mixer delivers powerful live sound performance in a compact and flexible format, making it ideal for touring bands, houses of worship, theatres, and professional venues. Featuring 16 mono mic inputs (with expanded input counts available in the Si Expression 2 and Si Expression 3 models), along with 4 additional line inputs, the console provides up to 66 inputs to mix for handling complex productions with ease.

Designed for maximum flexibility, the Si Expression 1 includes freely assignable faders and patching, allowing engineers to customize workflow according to their mixing preferences. Each input offers independent pre/post selection per bus, ensuring precise control over signal routing. The console also includes AES digital input and output, plus a ViSi Connect™ option card slot supporting up to 64 x 64 input/output expansion for advanced system integration.

Equipped with Soundcraft’s innovative FaderGlow™ system, the mixer provides instant visual feedback by illuminating faders according to their function, improving speed and accuracy during live performances. A vibrant color touchscreen interface combined with global mode encoders offers intuitive navigation and efficient control of all parameters.

For comprehensive mixing capabilities, the Si Expression 1 features 20 sub-group/aux buses, 4 dedicated FX buses, 8 matrix buses, and LR plus C mix buses. A graphic EQ is available on every bus, alongside delay on both inputs and outputs for precise system alignment. The console also includes four stereo Lexicon effects engines, delivering premium-quality reverb and time-based processing.

Additional professional features include freely assignable insert loops, four mute groups for quick control during live events, and Harman HiQnet integration for seamless system connectivity. Combining powerful DSP, flexible routing, and intuitive operation, the Soundcraft Si Expression 1 is a reliable and versatile digital mixing solution for demanding live sound applications.