Focusrite Scarlett 18i20 (4th Gen)

Scarlett 18i20 is the ultimate studio hub for demanding project studios. Fully equipped with 18 inputs and 20 outputs, including eight of our most detailed ultra-low-noise mic preamps, line, Hi-Z, and MIDI connections for your drums, vocals, guitars, keys, and synths. Focusrite Control 2 provides flexible routing and mixing options, allowing you to customise 18i20's independent outputs to suit the needs of any recording session. Expand and sync your setup with ADAT, S/PDIF, and Word Clock connections.

Air mode, with Presence and Harmonic Drive, brings the sound of big studio consoles to your recordings, while Auto Gain and Clip Safe ensure you never worry about levels. Low-latency monitoring, A/B speaker switching, and a built-in talkback mic are perfect for serious project studios. The Hitmaker Expansion software bundle has all the tools you need to record, produce, and release your tracks. And the Focusrite Control 2 desktop and mobile apps enable you to remotely control your Scarlett anywhere in the studio.

Specifications in detail
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 (up to 8 channels at 96kHz)
ADAT Outputs
2 (up to 8 channels at 96kHz)
SPDIF Inputs
1
SPDIF Outputs
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
20 x 24 (including Loopback)
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
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