Digico S21
Digico S31
| Feature | DiGiCo S21 | DiGiCo S31 |
|---|---|---|
| Touchscreens | 2 x 10" Multi-touch | 3 x 10" Multi-touch |
| Channels for Control | 20 simultaneous | 30 simultaneous |
| Total Input Channels | 48 mixing, 24 input | 48 mixing, 24 input |
| Mic/Line Inputs | 24 x XLR | 24 x XLR |
| Phantom Power | 24 channels | 24 channels |
| Main Outputs | 12 x XLR | 12 x XLR |
| Digital I/O | 2-channel AES I/O, word clock I/O | 2-channel AES I/O, word clock I/O |
| Additional I/O | GPI/GPO, DVI output, 2 Ethernet ports | GPI/GPO, DVI output, 2 Ethernet ports |
| USB Ports | 3 x Type A, 1 x Type B | 3 x Type A, 1 x Type B |
| Faders | 21 x 100mm Touch-sensitive Motorized Faders | 31 x 100mm Touch-sensitive Motorized Faders |
| A/D Resolution | 24-bit/96kHz | 24-bit/96kHz |
| Busses/Groups | 16 x Flexi Aux/Sub-group busses, 10 x 8 Processing Matrix | 16 x Flexi Aux/Sub-group busses, 10 x 8 Processing Matrix |
| Effects | Delay, Reverb, DigiTube Drive, 8 x Effects Engines | Delay, Reverb, DigiTube Drive, 8 x Effects Engines |
| Screen Size | 2 x 10" | 3 x 10" |
| Width | 30" | 40.3" |
| EQ Bands | 4-band Parametric/Dynamic EQ, Low/High Shelving, 32-band Graphic EQ, LPF, HPF | 4-band Parametric/Dynamic EQ, Low/High Shelving, 32-band Graphic EQ, LPF, HPF |
| Signal Processing | Compressor, Gate | Compressor, Gate |
Digico S21 and S31 Price Tracker
Prices updated Fri, August 21st, 2026.
DiGiCo S21 48-channel Digital Mixing Console
$10,860.00
Sweetwater.com
DiGiCo S31 48-channel Digital Mixing Console
$15,132.86
Sweetwater.com
Major Differences Between the S21 and S31
- The S31 has one additional touchscreen, totaling three, compared to the two touchscreens on the S21.
- The S31 can control 30 simultaneous channels, whereas the S21 controls 20.
- The S31 includes 31 faders, 10 more than the 21 faders on the S21.
- Due to its additional touchscreen and faders, the S31 is wider at 40.3 inches compared to the 30 inches of the S21.
Similarities Between the two Digital Mixers
- Both mixers have 24-bit/96kHz native operation for high-quality sound.
- Each mixer includes 24 mic/line inputs with phantom power and 12 analog outputs.
- Dual DMI (DiGiCo Multichannel Interface) option card slots are present in both, offering expansive I/O capabilities.
- The digital I/O configuration, comprising 2-channel AES I/O and word clock I/O, is identical.
- Each mixer provides the same signal processing features, including compressors, gates, dynamic EQs, and 8 digital FX engines.
- Both mixers are designed for intuitive control with touchscreens, employing drag, swipe, and drop gestures for operation.
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Written by GC Editorial on Pro Audio & Comparisons
Written by GC Editorial on Pro Audio & Comparisons
The people who build and maintain our comparison pages
Researched and written by Bobby Kittleberger
Proofread and tweaked by Erin Cosner
Product info reviewed by Danielle Kittleberger
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