Focusrite Scarlett 18i20 3rd Gen USB Interface
The Focusrite Scarlett 18i20 3rd Gen USB Interface has 9 inputs and 15 outputs: 22 × Analog Audio, 2 × USB.
Inputs and outputs
Analog Audio (22)
| Port | Direction | Connector |
|---|---|---|
| 1 MIC/LINE | In | XLR 3-Pin |
| 2 MIC/LINE | In | XLR 3-Pin |
| 3 MIC/LINE | In | XLR 3-Pin |
| 4 MIC/LINE | In | XLR 3-Pin |
| 5 MIC/LINE | In | XLR 3-Pin |
| 6 MIC/LINE | In | XLR 3-Pin |
| 7 MIC/LINE | In | XLR 3-Pin |
| 8 MIC/LINE | In | XLR 3-Pin |
| HEADPHONE 1 | Out | XLR 3-Pin |
| HEADPHONE 2 | Out | XLR 3-Pin |
| Main L | Out | XLR 3-Pin |
| Main R | Out | XLR 3-Pin |
| OUT 1 | Out | XLR 3-Pin |
| OUT 2 | Out | XLR 3-Pin |
| OUT 3 | Out | XLR 3-Pin |
| OUT 4 | Out | XLR 3-Pin |
| OUT 5 | Out | XLR 3-Pin |
| OUT 6 | Out | XLR 3-Pin |
| OUT 7 | Out | XLR 3-Pin |
| OUT 8 | Out | XLR 3-Pin |
| OUT 9 | Out | XLR 3-Pin |
| OUT 10 | Out | XLR 3-Pin |
USB (2)
| Port | Direction | Connector |
|---|---|---|
| USB | In | USB-A |
| USB B | Out | USB-A |
Specs
- Category
- Audio
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.
- USB out: 770 devices in the library take it as an input.
- USB in: 428 devices in the library can feed it.
Use the Focusrite Scarlett 18i20 3rd Gen USB Interface in a diagram
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Related devices
Port data from the Patchify gear library, last updated 9 October 2026. Report a correction