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Scarlett 18i20 4th Gen
Focusrite Scarlett 18i20 4th Gen Audio Interface
$800

18i20 is the studio hub for engineers who need serious I/O. Whether you’re recording drums, a live session, or have plenty of hardware synths, you’ve got eight of our finest ultra-low-noise mic preamps, plus line, instrument, MIDI, S/PDIF, and expandability via ADAT connections. With 26 inputs and 26 outputs, you’re ready for whatever your session demands.

ADDITIONAL INFORMATION
Key Features

Eight ultra-low-noise mic/line preamps


Two front-panel mic/line and instrument preamps


Two Air preamp modes for classic console sound


Clip Safe and Auto Gain modes


Ten line outputs inc. Alt speaker switching


Up to 16 channels of ADAT I/O


S/PDIF, MIDI, and Word Clock


Includes Hitmaker Expansion and DAW software bundle

Overview

Number of Microphone Preamps


8


Phantom Power


Yes (Independent)


Instrument Inputs


2


Line Inputs


8


Air Mode


Yes


Auto Gain


Yes


Clip Safe


Yes


Line Outputs


10


Headphone Outputs


2


ADAT Inputs


2 (16 channels at 44.1/48kHz and up to 8 channels at 96kHz)


ADAT Outputs


2 (16 channels at 44.1/48kHz and up to 8 channels at 96kHz)


SPDIF Inputs


1


SPDIF Outputs


1


MIDI Inputs


1


MIDI Outputs


1


Talkback


Yes


Loopback


Yes


Connectivity


USB Type-C


Protocol


USB 2.0


Form Factor


Desktop / Rack Mountable (1U)


Simultaneous I/O


26 x 26


A/D Resolution


24-bit/192 kHz


Bus Powered


No

Dimensions

Height
46.55mm
Width
442mm
Depth
259.73mm
Weight
3.304kg

Supported sample rates

44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz

Microphone inputs

Frequency Response
20-20kHz ± 0.06dB
Dynamic Range
116dB (A-Weighted)
THD+N
-100dB @ 8dB gain
Noise EIN
-127dBu (A-Weighted)
Maximum Input Level
16dBu
Gain Range
69dB
Impedance
3kΩ

Variable Line inputs

Frequency Response
20-20kHz ± 0.05dB
Dynamic Range
115.5dB (A-Weighted)
THD+N
-100dB @ 8dB gain
Maximum Input Level
22dBu
Gain Range
69dB
Impedance
24kΩ

Instrument inputs

Frequency Response
20-20kHz ± 0.05dB
Dynamic Range
113dB (A-Weighted)
THD+N
-80dB @ 8dB gain
Maximum Input Level
12dBu
Gain Range
62dB
Impedance
1MΩ

Line outputs (Balanced)

Frequency Response
20-20kHz ± 0.02dB
Dynamic Range
122dB (A-Weighted)
THD+N
-112dB
Maximum Output Level
16dBu
Impedance
200Ω

Headphone outputs

Frequency Response


20-20kHz ± 0.1dB @ 33Ω / 300Ω


Dynamic Range


112dB @ 33Ω


116dB @ 300Ω


THD+N


-100dB @ 33Ω (Minimum)


-110dB @ 300Ω (Minimum)


Maximum Output Level


5dBu into 33Ω


11dBu into 300Ω


Maximum Output Power


57mW into 33Ω


27mW into 300Ω


Impedance


11Ω

Analogue to Digital Converter

THD+N
-110dB
Dynamic Range
120dB

Digital to Analogue Converter

THD+N
-115dB
Dynamic Range
130dB (A-Weighted)

Power

External


30W

Compatibility

Windows
Intel, AMD, and Arm64 processors supported
macOS
Apple Silicon and Intel processors supported

What's in the box

Scarlett 18i20 audio interface


Rack Ears


1.5m USB-C to USB-C cable


USB-C to USB-A adaptor


IEC power cable