Soundcraft SI Impact

Soundcraft SI Impact





Soundcraft SI Impact



In our continual quest to provide more value to Soundcraft customers, we are happy to announce an incredible free upatedt o the Si Impact that doubles your total channels to mix from 40 to 80! The newest firmware— V2.0 Build 0012—optimizes performance with the free ViSi Remote iOS application and clarifies terminology when routing to or from stage boxes.

A Greater Impact

  • Now combine the 32 mix inputs on the Si Impact console plus all 32 USB inputs for 64 total channels to mix.
  • Add one Soundcraft Mini Stagebox 32i or 16i to get up to 64 mic channels to mix. Or add a second MADI option card and two Mini Stagebox units for up to 96 microphone preamps, 128 total available inputs and 80 channels to mix.
  • Add the Dante option card to get 64 Dante channels to mix.

Si Impact. Innovative digital mixing with uncompromised audio quality

Drawing on over 40 years experience in live sound mixing, Si Impact brings the latest digital mix innovations together with the unrivalled sound quality of Soundcraft. Designed to be as simple as an analog mixer, but offer radical workflow enhancements such as the unique FaderGlow system, massive DSP power, and a pristine 32-in/32-out USB audio interface, Si Impact delivers digital live sound mixing and recording for those who refuse to compromise on audio quality.

Key Features:

  • Up to 80 channels to mix
  • 32 Mic Inputs
  • 8 XLR/1/4″ Combi-jacks for line inputs and instruments
  • 40 DSP input channels (32 mono inputs and 4 stereo channels/returns)
  • 31 Output busses (All with full DSP processing and GEQ)
  • 4-band Fully Parametric EQ on each channel and bus
  • 8 VCAs + 8 Mute groups
  • 26 motorised faders (24 input + LR/Mono)
  • 4 fully customisable Fader Layers
  • Built-in Stagebox Connectivity
  • 5″ touchscreen display
  • Multi-Colour LCD Channel Displays on each input fader
  • 4 studio-grade Lexicon Effects engines and dedicated FX busses
  • BSS Graphic Equalisers on every bus
  • 20 sub-group / aux busses
  • 4 mono/stereo matrix busses
  • 32×32 USB audio interface for multi-track recording and playback *
  • Increase I/O capabilities with option cards and stageboxes:
    • Use included MADI option card and Soundcraft Mini Stagebox 32i or 16i for more microphone preamps, inputs and channels to mix
    • Add 2nd MADI option card and two Soundcraft Mini Stagebox 32i or 16i for up to 96 microphone preamps, 136 total inputs and 80 channels to mix.
    • Add Dante option card for 64 channels of Dante to mix
    • Additional option cards available: AVIOM A-Net, CobraNet, AES/EBU, BLU Link, more
  • Additional Soundcraft stageboxes available: Mini Stagebox 32R, Mini Stagebox 16R, Compact Stagebox, and Vi Stagebox

* USB Interface Compatibility:
PC: Supports Windows 7, Windows 8 and Windows 10.
Mac: Supports Mac OS 10.7.x Lion through 10.11.x El Capitan


The legendary British sound

From humble beginnings in London more than 40 years ago and still designed and engineered in the UK, Soundcraft defined the term ‘British sound’ in live sound mixing consoles.

Soundcraft Co-Founder Graham Blythe’s acclaimed microphone preamps and ‘British’ equaliser ensures the Si Impact proudly carries Soundcraft’s signature sound today.

Soundcraft SI Impact Specs

Number of Analog Input Channels 40
Signal Processing
Gain/Trim Range Mic:
-5 dB to 58 dB (in 1 dB Steps)
-10 dB to +16 dB
Gate Parameters Threshold: -60 to -6 dBFS
Depth: -60 to -3 dB
Attack: .1 ms to 200 ms
Release: 20 ms to 500 ms
Compressor Parameters Threshold: -52 to -6 dBFS
Ratio: 1:1 to 20:1
Attack: .1 to 200 ms
Release: 5 to 900 ms
Makeup Gain: 0 to 24 dB
Sidechain Filters Gate:
High-Pass: 22 Hz to 2.5 kHz
Low-Pass: 160 Hz to 20 kHz
EQ Parameters HF Shelf:
±15 dB at 800 Hz to 20 kHz
MF Notch/Peak:
±15 dB at 22 Hz to 20 kHz, 6 to 0.3 Q
LF Shelf:
±15 dB at 20 Hz to 500 Hz
Graphic EQ 28-Band 1/3 Octave, 31 Hz to 16 kHz
Filters High-Pass: 40 Hz to 1 kHz
Audio Delay Adjustable Up to 500 ms
Digital Audio
Sample Rates AD/DA Conversion:
Up to 200 kHz
Bit Depth AD/DA Conversion:
DSP 40-Bit Floating Point
Jitter ± 7 ns
Word Clock Input 48 kHz ±7 Hz
Latency < 0.8 ms (Mic Input to Line Output)
< 0.6 ms (Analog Input to AES Output)
< 0.9 ms (Stagebox Input to Stagebox Output)
dBFS Reference Level +21.5 dBu = 0 dBFS
Frequency Response Mic/Line Input:
20 Hz to 20 kHz ±1.5 dB
Max Input Level Mic Input:
+22 dBu
Line Input:
+22 dBu
Output Level Mix Output:
+21.5 dBu (Max)
Headphone Output Power 300 mW into 150 Ohms
I/O Impedance Mic Input:
3 Kilohms
Line Input:
10 Kilohms
150 Ohms (Balanced)
75 Ohms (Unbalanced)
Word Clock Output:
50 Ohms
Word Clock Input:
47 Ohms
AES3 Output:
110 Ohms
Crosstalk Adjacent Channels:
< 120 dB
Adjacent Inputs:
-100 dB at 1 kHz
-85 dB at 10 kHz
CMRR -80 dBu at Max Gain
EIN -126 dBu at Max Gain (150-Ohm Input)
Noise Floor < -86 dBu (at Unity Gain)
THD < 0.01%
AC Input Power 88 to 264 VAC, 50 / 60 Hz
Power Consumption 130 W (Maximum)
Operating Temperature 41 to 113°F / 5 to 45°C
Operating Humidity 0 to 90%
Storage Temperature -4 to 140°F / -20 to 60°C
Dimensions 6.3 x 29.5 x 19.7″ / 160 x 750 x 500 mm
Weight 44.1 lb / 20 kg
Packaging Info
Package Weight 53 lb
Box Dimensions (LxWxH) 35.5 x 26.5 x 12.5″


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