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  • Regular price $3,799.00
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Actual product weight : 25.0 lb

Built on the success of the Si Performer and Compact Digital Mixers, the Si Expression series is Soundcraft's answer to the new trend in the pro audio industry for affordable digital mixers. The Expression line comes in 3 sizes: 16 channels, 24 channels, and 32 channels. They are essentially slightly stripped down versions of the Performer series.

Every input processing channel has dedicated processing for high pass filter, input delay, gate, compressor and four band EQ. The Si Expression 1 mixer features a comprehensive automation system augmented with four mute groups and FaderGlow to light the way so you are never lost.


The Soundcraft Si Expression 1 mixing console has 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, while 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 center 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.

Soundcraft ViSi Remote

ViSi Remote is an application for Apple iPad devices; it allows control of Soundcraft Si Compact, Si Performer and Vi Series consoles wirelessly from your iPad using no additional hardware other than a wireless access router connected to the Harman HiQnet ethernet port of the console. With ViSi Remote you are free to roam your venue and adjust mixes and other audio parameters directly from the iPad!

Provides wireless control over main, aux and matrix mixes
Imports channel and bus names from the console
Allows GEQ adjustment for each bus
A single iPad can control multiple consoles
Multiple iPads can be paired to the same console allowing artists to adjust their own mixes
FaderGlow represented on ViSi just like the console
Works off-line for demo and training purposes
ViSi Remote will auto-discover any Si Compact or Vi series consoles present on the network
In the event of wireless drop-out, consoles and audio are unaffected


To complement the channel and bus processing all Si Expression digital mixers integrate four stereo Lexicon FX processors based on the MX400 providing a wealth of sounds, user adjustable parameters and dedicated tap-tempo keys. As the FX are hardware based, use of all the effects, even on the most demanding programs does not affect other processing in any way and all dynamics, EQs, filters, delays, and GEQs remain available regardless what you are doing.

Expansion Options

Flexible onboard and expansion I/O options ensure your Soundcraft Si Expression integrates effortlessly with other system components utilizing any of the Si series option cards including AES, Firewire/USB/ADAT 1, AVIOM, CobraNet, BSS Digital Audio Bus (BLU Link) 1, Dante 1 CAT5 or optical MADI.

The MADI card, as well as being an interface to multi-track recording systems or plug-in systems like Waves, enables linking the Si Expression to any of the Soundcraft or Studer stage boxes to extend the I/O power and flexibility. Adding a stagebox to a Si Expression increases the number of channels you can mix at once!

As you would expect from any Soundcraft digital mixer the facilities are extensive and include legendary audio quality courtesy of the latest generation EMMA DSP processor, the same DSP platform that has helped propel previous Soundcraft Si series consoles to fame. All this power united with reliability, flexibility and usability puts the Si Expression 1 mixer in a class of its own.

Soundcraft Si Expression 1 Highlights

16 Mono Microphone Inputs
4 line inputs
Color Touch Screen Interface
66 Channels To Mix Possible
Pre/Post Selection per Input per Bus
Soundcraft FaderGlow™
Graphic EQs on Every Bus
20 Sub-Group / Aux Buses
4 FX Buses
8 Matrix Buses
LR and C Mix Buses
4 Stereo Lexicon Effects Engines
4 Mute Groups
Harman HiQnet Integration