Soundcraft Si Expression 3 - Professional Digital Console

Soundcraft Si Expression 3 – 32-channel professional digital console

The Soundcraft Si Expression 3 is the most powerful version of the Si Expression series, with 30 + 2 faders and 32 locally recallable microphone preamps. It incorporates 4 line inputs, 4 internal stereo effects returns and a ViSi Connect™ slot for 64x64 expansion cards, offering a total of 66 channels of input processing. Each channel features a high-pass filter, delay, gate, compressor and four-band parametric EQ, while an automation system with four mute groups and FaderGlow™ facilitates live control. With 20 aux/subgroup buses, 4 FX buses, 8 matrices, L/R/C buses with compressor, BSS™ graphic EQ and delay, and four Lexicon® MX400 hardware processors, this console offers legendary flexibility and audio quality for touring, fixed installations and broadcast.

Main features

• 32 recallable microphone preamps with +48V phantom power and dedicated high-pass filter.
• 4 analog line inputs on XLR/jack combo.
• 4 internal stereo effects returns .
• 66 processing channels (32 mic + 4 line + 4 FX + 26 fixed) with delay, gate, compression and 4-band EQ per channel.
• ViSi Connect™ 64×64 slot for I/O expansion (MADI, Dante, USB MADI, BLU Link, Aviom, CobraNet…).
• 20 auxiliary/subgroup buses configurable as mono or stereo.
• 4 FX buses dedicated to Lexicon® MX400 hardware processors.
• 8 mono or stereo matrix buses as needed.
• L/R/C buses with compressor, BSS™ graphic EQ and delay on each.
• 30 channel faders + 2 master faders with FaderGlow™ and fader name displays.
• Advanced automation : 4 mute groups, snapshots and full scene recall.
• 16 balanced line outputs , headphone output and AES in/out.
• State-of-the-art EMMA™ DSP processing for maximum quality and reliability.

User benefits

• Total control: Motorized faders with FaderGlow™ and LCD displays make for instant identification.
• Continuous scalability: Expansion slot for adding unlimited digital I/O on the road or in fixed installations.
• Reference audio: EMMA™ DSP, high-performance preamps, and Lexicon® hardware effects are always available.
• Routing versatility: Configurable buses and matrices cover any monitoring, delay tower, or subgroup need.
• Streamlined workflow: Automation, snapshots, and dedicated controls reduce errors on the fly.

Use cases

• Big band tours and open-air festivals.
• Fixed installations in auditoriums, theaters and conference centers.
• Broadcast productions and OB vans with multitrack and redundancy.
• Conferences and corporate events with multiple audio zones.
• Mobile studios and live recording with multi-channel output.

Frequently Asked Questions

• How many channels can I process? Up to 66 input channels, expandable with the 64x64 slot.
• What expansions does it support? MADI, Dante, USB MADI, BLU Link, Aviom, CobraNet, and more in ViSi Connect™.
• Low latency? Latency less than 1 ms in channel processing.
• Can I create internal submixes? Yes; 20 aux/subgroups and 8 customizable matrices.
• How to integrate lighting? Use the same ViSi Connect™ console with an optional DMX card.

Description for projects

Soundcraft Si Expression 3 mixer with 32 mic/4 line/4 FX, 66 processing channels, 64x64 expansion slot, 20 aux, 4 FX, 8 matrix, L/R/C buses with compression/EQ/graphic/delay, EMMA™ DSP, 30+2 FaderGlow™ faders, LCD displays, 16 XLR outputs, AES I/O, Lexicon® MX400.