Detail 01
24-bit/192kHz A/D resolution
The interface supports recording at up to 24-bit/192kHz.
Product detailSKU #1500000439159
FocusriteScarlett 18i16 4th Gen USB-C Audio Interface
1/9
Independent shopping perspective
The Korena take
Scarlett 18i16 4th Gen is a desktop USB-C audio interface for recording and monitoring setups that need mic, line, instrument, digital, and MIDI connections in one unit. It provides four microphone preamps, eight line inputs, two instrument inputs, four line outputs, and two headphone outputs, with ADAT and S/PDIF I/O alongside MIDI. Air mode, Auto Gain, Clip Safe, loopback, and independent phantom power support hands-on recording workflows. Focusrite Control 2 provides routing, level, and monitor-mix control from desktop and mobile devices.
Strong match
Who this is for
- Studio setups recording microphones, instruments, line-level gear, and digital sources through one interface.
- Sessions where engineers or performers need to adjust monitor mixes and mic-pre gains remotely.
- Projects using loopback, ADAT, S/PDIF, or MIDI connections alongside USB-C computer audio.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Four microphone preamps and independent phantom power
Four mic-pre inputs are available, with phantom power independently provided.
Detail 03
Two headphone outputs
Two headphone outputs are available for monitoring and overdubbing.
Detail 04
20 × 18 simultaneous I/O including loopback
Loopback is counted within the listed simultaneous input/output capability.
Detail 05
External power
A 5V/3A external power supply is included.
Final check
Know before you order
- 01The interface uses USB Type-C connectivity and USB 2.0 protocol.
- 02macOS supports Apple Silicon and Intel processors; Windows supports Intel, AMD, and Arm64 processors.
- 03It requires 3A USB power and also includes a 5V/3A external power supply.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01How many microphone preamps does it have?
It has four microphone preamps.
02Does it have instrument inputs?
Yes. It provides two instrument inputs.
03Can it handle digital and MIDI connections?
Yes. It includes ADAT and S/PDIF input/output plus MIDI input and output.
04What software control is available?
Focusrite Control 2 desktop software and iOS/Android apps manage routing, levels, monitor mixes, and other interface functions.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsSound
- Frequency Response
- 20Hz–20kHz ±0.1dB @ 33 ohm / 300 ohm
2 detailsPickups & controls
- Microphone Preamps
- 4
- Number of Microphone Preamps
- 4
1 detailsBody & build
- Loopback
- Yes
27 detailsConnections & power
- Phantom Power
- Yes (independent)
- Spdif Input
- 1
- MIDI Output
- 1
- Spdif Output
- 1
- Headphone Outputs
- 2
- Optional External Power Requirement
- 15W
- Connectivity
- USB Type-C
- Supported Sample Rates
- 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
- Instrument Inputs
- 2
- Adat Inputs
- 1
- MIDI Outputs
- 1
- Input Impedance
- 1 Mohm
- Output Impedance
- 11 ohm
- S Pdif Inputs
- 1
- S Pdif Outputs
- 1
- External Power Supply
- 5V @ 3A (included)
- Line Outputs
- 4
- Line Inputs
- 8
- Bus Powered
- Yes (3A)
- Maximum Output Level
- +11dBu into 300 ohm
- MIDI Inputs
- 1
- Adat Outputs
- 1
- Maximum Output Power
- 27mW into 300 ohm
- Equivalent Input Noise Ein
- -127dBu (A-weighted)
- USB Power Requirement
- 3A
- Maximum Input Level
- +12dBu
- MIDI Input
- 1
2 detailsSize & weight
- Weight
- 3.3
- Dimensions
- 9.4 inch × 6.7 inch × 2.4 inch
1 detailsIn the box
- Clip Safe
- ✓ Included
14 detailsOther
- A D Resolution
- 24-bit/192kHz
- Thd N
- -115dB
- Air Mode
- Yes
- Protocol
- USB 2.0
- Model
- Scarlett 18i16 4th Gen
- Macos
- Apple Silicon and Intel processors supported
- Xln Audio Addictive Drums 2
- Studio Rock
- Simultaneous I O
- 20 × 18 (including loopback)
- Gain Range
- 62dB
- Dynamic Range
- 130dB (A-weighted)
- Windows
- Intel, AMD, and Arm64 processors supported
- Auto Gain
- Yes
- Product Type
- USB audio interface
- Form Factor
- Desktop
