Focusrite Scarlett 18i16 USB-C Audio/MIDI Interface (4th Generation)
The Focusrite Scarlett 18i16 USB-C Audio/MIDI Interface (4th Generation) has 12 inputs and 10 outputs: 14 × Analog Audio, 2 × Ethernet, 2 × MIDI, 2 × S/PDIF.
Inputs and outputs
Analog Audio (14)
| Port | Direction | Connector |
|---|
| In 1 | In | XLR 3-Pin |
| In 2 | In | XLR 3-Pin |
| In 3 | In | XLR 3-Pin |
| In 4 | In | XLR 3-Pin |
| In 5 | In | XLR 3-Pin |
| In 6 | In | XLR 3-Pin |
| In 7 | In | XLR 3-Pin |
| In 8 | In | 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 |
| Headphones 1 | Out | XLR 3-Pin |
| Headphones 2 | Out | XLR 3-Pin |
Ethernet (2)
| Port | Direction | Connector |
|---|
| Optical In | In | LC Fiber |
| Optical Out | Out | LC Fiber |
MIDI (2)
| Port | Direction | Connector |
|---|
| MIDI In | In | – |
| MIDI Out | Out | – |
S/PDIF (2)
| Port | Direction | Connector |
|---|
| SPDIF In | In | XLR 3-Pin |
| SPDIF Out | Out | XLR 3-Pin |
Power (1)
| Port | Direction | Connector |
|---|
| AC | In | IEC C13/C14 |
USB (1)
| Port | Direction | Connector |
|---|
| USB-C | Out | USB-A |
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 out: 1,144 devices in the library take it as an input.
- USB out: 771 devices in the library take it as an input.
- Ethernet in: 497 devices in the library can feed it.
- MIDI out: 119 devices in the library take it as an input.
Use the Focusrite Scarlett 18i16 USB-C Audio/MIDI Interface (4th Generation) in a diagram
Add it from the library with these ports, connect it, and Patchify numbers the cables and builds the schedule, labels and rack.
Start your free trial30-day free trial. No credit card needed.
Port data from the Patchify gear library, last updated 25 January 2026. Report a correction