DiGiCo S21
The DiGiCo S21 has 32 inputs and 16 outputs: 38 × Analog Audio, 2 × AES3, 2 × Ethernet, 2 × USB.
Inputs and outputs
Analog Audio (38)
| Port | Direction | Connector |
|---|
| XLR3 In 1 | In | XLR |
| XLR3 In 2 | In | XLR |
| XLR3 In 3 | In | XLR |
| XLR3 In 4 | In | XLR |
| XLR3 In 5 | In | XLR |
| XLR3 In 6 | In | XLR |
| XLR3 In 7 | In | XLR |
| XLR3 In 8 | In | XLR |
| XLR3 In 9 | In | XLR |
| XLR3 In 10 | In | XLR |
| XLR3 In 11 | In | XLR |
| XLR3 In 12 | In | XLR |
| XLR3 In 13 | In | XLR |
| XLR3 In 14 | In | XLR |
| XLR3 In 15 | In | XLR |
| XLR3 In 16 | In | XLR |
| XLR3 In 17 | In | XLR |
| XLR3 In 18 | In | XLR |
| XLR3 In 19 | In | XLR |
| XLR3 In 20 | In | XLR |
| XLR3 In 21 | In | XLR |
| XLR3 In 22 | In | XLR |
| XLR3 In 23 | In | XLR |
| XLR3 In 24 | In | XLR |
| GPI | In | 1/4" TRS |
| XLR3 Out 1 | Out | XLR |
| XLR3 Out 2 | Out | XLR |
| XLR3 Out 3 | Out | XLR |
| XLR3 Out 4 | Out | XLR |
| XLR3 Out 5 | Out | XLR |
| XLR3 Out 6 | Out | XLR |
| XLR3 Out 7 | Out | XLR |
| XLR3 Out 8 | Out | XLR |
| XLR3 Out 9 | Out | XLR |
| XLR3 Out 10 | Out | XLR |
| XLR3 Out 11 | Out | XLR |
| XLR3 Out 12 | Out | XLR |
| GPO | Out | 1/4" TRS |
AES3 (2)
| Port | Direction | Connector |
|---|
| AES In | In | XLR |
| AES Out | Out | XLR |
Ethernet (2)
| Port | Direction | Connector |
|---|
| etherCON 1 | In | etherCON |
| etherCON 2 | In | etherCON |
USB (2)
| Port | Direction | Connector |
|---|
| USB-A 1 | In | USB-A |
| USB-A 2 | In | USB-A |
Word Clock (2)
| Port | Direction | Connector |
|---|
| Word Clock In | In | BNC |
| Word Clock Out | Out | BNC |
DVI (1)
| Port | Direction | Connector |
|---|
| DVI Out | Out | DVI |
MADI (1)
| Port | Direction | Connector |
|---|
| UB MADI | In | USB-B |
What it connects to
- Analog Audio in: 1,158 devices in the library can feed it.
- Analog Audio out: 1,152 devices in the library take it as an input.
- Ethernet in: 498 devices in the library can feed it.
- USB in: 429 devices in the library can feed it.
- AES3 in: 105 devices in the library can feed it.
- AES3 out: 83 devices in the library take it as an input.
Use the DiGiCo S21 in a diagram
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Port data from the Patchify gear library, last updated 9 October 2026. Report a correction