Soundcraft Si Expression 1
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- This item is covered for 3 years
What you need to know
What you need to know
- 16-fader rack-mountable format: designed for compact setups and installations where space is limited, without sacrificing true "console" ergonomics.
- Mixing power: up to 66 mixing channels and an architecture capable of handling a total of 66 inputs to 35 buses, allowing easy control of a front of house, multiple monitors, and matrices.
- Immediate access to essential settings: a dedicated row of encoders allows quick adjustment of Gain, Pan, and low-cut filter without unnecessary navigation.
- Pro live functions: TOTEM to instantly switch faders to sends toward buses, D.O.G.S to stabilize output levels despite gain adjustments, and integrated Lexicon effects.
Manufacturer Information
Soundcraft
https://www.soundcraft.com
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A Compact Si Expression at the Heart of the Harman Ecosystem
The Si Expression 1 follows Soundcraft's philosophy: offering a powerful digital console that remains familiar to sound engineers used to traditional surfaces. In this range, the "1" model favors a compact format, with a rack-mount chassis and a surface focused on efficiency for live performance, monitor mixing, fixed installation, or mobile rigs.
It also integrates into the Harman environment via HIQnet and relies on recognized technology partners like Lexicon for effects and BSS for graphic EQ on buses, providing a coherent workflow for sound reinforcement.
Who It's For and What For: Live, Monitors, Installation, and Versatile Productions
The Soundcraft Si Expression 1 targets technicians and stage managers who want a responsive tool capable of keeping up with fast-changing setups: concerts, events, conferences, houses of worship, theaters, or multi-presenter shows. With its 16 mic inputs and 16 line outputs, it easily covers a simple front of house, multiple monitor mixes, and dedicated outputs (recording, broadcast, zones).
Its rack-mountable format also makes it an excellent candidate for a remote control room, a compact "monitor" setup, or a console installed in a rack while maintaining a real control surface. The presence of an AES/EBU input/output completes the setup for integration with compatible digital audio streams.
Technical specifications
| Type | digital Compact (Integrated Mixing Engine) | Number of faders | 15 |
| USB stereo recording / playback | Yes | Rackable | Yes |
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Questions frequently asked
Is the Soundcraft Si Expression 1 suitable for managing stage monitors?
The TOTEM function instantly assigns faders to bus sends to build a monitor mix without complex navigation. The console has 16 line outputs and pre/post management per input. A BSS GEQ is available on each bus to adjust the monitors.
How many mic inputs and outputs does this console have?
This console includes 16 mic inputs and 16 line outputs, complemented by an AES/EBU input/output.
What effects are integrated into the Si Expression 1?
Four Lexicon effects processors are onboard, with four stereo returns dedicated to effects. The buses also feature BSS graphic equalizers.
Can the console be recorded or have its connections expanded?
A 64 x 64 expansion slot allows adding a card according to needs. Announced formats notably include MADI, Blu-Link, CobraNet, RockNet, Aviom, AES/EBU, and MultiDigital over FireWire or USB.
Can the Si Expression 1 be controlled with an iPad?
ViSi Remote compatibility for iPad enables remote control from the venue or stage. The color touchscreen and freely assignable faders also facilitate control from the surface.
