Soundcraft Si Expression 3 32-Channel Digital Mixer

Soundcraft Si Expression 3 32-Channel Digital Mixer


32-channel Digital Mixer with 32 Mic Pres, 66 Input Processing Channels, Automation, Lexicon Hardware-based Effects, And Expansion Slot

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SKU: SIEXP32 Category:
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Soundcraft Si Expression 3 32 -channel Digital Mixer leverages cutting-edge DSP, component technology, and manufacturing techniques to deliver awesome mixing power in a compact, amazingly affordable package. Robust automation and connectivity are the icing on the cake. Take your mixing to the next level, with Soundcraft’s Si Expression 3. The Si Expression 3 gives you 32 recallable mic preamps, four line inputs, four internal stereo FX returns, AES in, and a 64×64 expansion slot that lets you deploy up to 66 input processing channels – each sporting a highpass filter, input delay, gate, compressor, and four-band EQ.

Amazing flexibility
If you think the Soundcraft Si Expression 3’s input side is impressive, know that all Si Expression boards also sport versatile bussing, output processing, and connectivity. You can configure the 14 aux/group mixes as 14 mono mixes, eight mono plus six stereo mixes – or just about anything in between. The four matrix mixes can be mono or stereo as required. You also get 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 always-available compression, 4-band EQ, BSS graphic EQ, and delay. Comprehensive output connectivity includes 16 balanced line outs, a headphone out, AES out, and the 64×64 option slot.

Say goodbye to digital mixer confusion
Soundcraft’s Si Expression mixers feature a 1 Control = 1 Function interface, with each control dedicated to a single function. No confusing control layering or endless menu purgatory navigation. This approach allows the Si Expression controls to be labelled on the surface just as they would be on an analog desk. Ah, productivity – how refreshing!

Onboard Lexicon FX processors
Soundcraft Si Expression consoles incorporate four stereo Lexicon FX processors based on the acclaimed MX400. With fully adjustable parameters and dedicated tap-tempo keys, you can tweak to your heart’s content. These FX are hardware-based, so even if you’re using a ton of them it doesn’t affect your other processing in the slightest – all your dynamics, EQ, filters, delays, and GEQs will be always available, no questions asked.

It’s a Soundcraft
As befitting any Soundcraft digital mixer, Si Expression boards give you extensive facilities and legendary audio quality, courtesy of the cutting-edge EMMA DSP processor – the same DSP platform that has helped rocket previous Soundcraft Si series consoles to stardom. With prodigious processing power, bulletproof reliability, impressive flexibility, amazing ease of use, and a surprisingly friendly price tag, Si Expression mixers are an outstanding value. Exactly what you’d expect from Soundcraft.


32 mono mic inputs; four line inputs; AES in and out

Color touch screen interface

Up to 66 input processing channels

Pre/Post selection per input, per bus

Global mode encoders; GEQ on every bus

Motorized 100mm faders with FaderGlow (illuminates fader slots according to function)

LR and C Mix busses; 4 FX busses; 8 Matrix busses; 20 sub-group / aux busses

Four Stereo Lexicon effects engines

Delay on inputs and outputs; freely assignable insert loops

Comprehensive automation with four mute groups

Harman HiQnet integration; 64×64 channel option card slot

Option cards include AES, Firewire/USB/ADAT, AVIOM, CobraNet, BSS BLU Link, Dante, optical MADI


Type Digital
Channels 32
Inputs – Mic Preamps 32
Inputs – Line 4 x TRS
Inputs – Other No other inputs
Inputs – Digital 1 x stereo AES/EBU (XLR)
Outputs – Main 2 x XLR (shared with direct outs 15 and 16)
Outputs – Direct 16 x TRS
Outputs – Other No other outputs
Outputs – Digital 1 x stereo AES/EBU (XLR)
Send/Return I/O No external send/return (Internal FX)
Data I/O Harman HiQnet
I/O Expansion Slots Yes
EQ Bands 4-band
Aux Sends 20
Busses/Groups 4
Faders 16 x 100mm
Computer Connectivity 1 x USB, 1 x FireWire, etc.
Rackmountable Yes
Height 6.7″
Depth 20.5″
Width 36.5″
Weight 46.2 lbs.

Additional information

Weight 47 lbs