Soundcraft Si Expression 2
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- This item is covered for 3 years
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Manufacturer Information
Soundcraft
https://www.soundcraft.com
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CSI audiovisuel
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An Si Expression Built for Live Use, at the Heart of the Harman Ecosystem
The Si Expression series is designed to offer a true front-of-house digital console that is accessible and quick to master, while retaining processing and routing functions suited to live and installation demands. The Si Expression 1 (16-fader format, rack-mountable) is positioned as the compact version of the range, perfect when space is limited but you want to maintain a clear surface, direct access, and quality effects. It also integrates into the Harman HIQnet environment, convenient for supervising a larger system.
Who It's For and What For: Front of House, Monitors, Theatre, Corporate, and Installations
The Soundcraft Si Expression 1 is aimed at sound engineers, stage managers, and service providers seeking a reliable and fast digital console for concerts, conferences, broadcasts, or worship. With its 24 mic inputs and configurable buses, it easily covers a full band, vocal stages, or multi-source event setups. Its compact format is also suitable for installations (rooms, auditoriums, schools) where an intuitive interface is desired for users of varying skill levels, while maintaining real flexibility for mixing and monitoring.
Technical specifications
| Type | digital Compact (Integrated Mixing Engine) | Number of faders | 23 |
| USB stereo recording / playback | No | Rackable | Yes |
Questions frequently asked
Soundcraft Si Expression 2: how many mic inputs and faders?
The listed console has 16 faders and 24 mic inputs.
Can monitor mixes be controlled directly from the faders?
The TOTEM function assigns the faders to mix inputs to the selected bus. Monitor mixes can thus be adjusted without needing multiple control pages.
Which effects are built into the console?
Four Lexicon effects processors are integrated for reverbs, delays, or modulations. Four dedicated stereo returns are also available.
What expansion card can be used with this console?
The 64 x 64 expansion slot allows adaptation of the console to a multitrack recorder, stage rack, or audio distribution. Supported formats depending on the card include MADI, Blu-Link, CobraNet, RockNet, Aviom, AES/EBU, and MultiDigital. Remote control is possible with ViSi Remote on iPad.
What is the purpose of D.O.G.S on the Si Expression?
The D.O.G.S process stabilizes the level of sends and direct outputs when the input gain is changed. This function is especially useful for sources shared between several consoles.



