Eight remote-controllable preamps
122dB dynamic range
Auto Gain and Clip Safe
Control remotely via mobile app
Two Air modes
Expandable I/O
Engineers. This is your Scarlett.
Eight of our most detailed, ultra-low-noise preamps.
Connect your studio to 18i20’s 4th-Generation remote-controlled preamps — Scarlett’s most transparent and detailed ever. 69dB of gain range provides all of the headroom you’ll need to get the best result from the most intense multi-track recordings. Control preamp levels from anywhere in the studio using the Focusrite Control 2 apps, giving you the freedom to adjust settings remotely.
Auto Gain and Clip Safe.
Let 18i20 handle your levels. Auto Gain will set all eight microphone preamp levels instantly and Clip Safe keeps them in the sweet spot, automatically tweaking the gain if you’re in danger of clipping. You’ll never lose a take again.
All the I/O you need
Play your instruments.
Connect a guitar directly to 18i20’s Hi-Z inputs for an amp-like feel, plug synths and grooveboxes into the eight line inputs, or route your favourite outboard gear through the ten line outputs.
Control MIDI devices.
Use 18i20 as a MIDI interface to receive and send data to your favourite external MIDI-controllable equipment.
Expand your setup.
Increase your channel count with up to 10 additional inputs and outputs by using the S/PDIF and ADAT connections. Dual ADAT supports eight channels of audio at 96kHz. The Word Clock output ensures your external gear stays perfectly synced.
Mix your way, with independent outputs.
Take full control of your routing and mixing preferences using the Focusrite Control 2 apps, anywhere in the studio.
Dial in the perfect headphone mix for the artist, or route the signal directly to outboard gear to put the finishing touches on your mix.
Get that big console sound with two re-engineered Air modes.
Presence mode boosts your signal’s high-end, bringing the sound to the front of the mix. Create intimate vocal recordings, capture every detail of acoustic guitars, and hear your drum overheads shimmer.
Huge 122dB dynamic range for incredible recordings.
Scarlett delivers incredible audio quality, with converters direct from our flagship RedNet interfaces — as found in high-end studios around the world.
Studio sound anywhere.
Powerful sound, powerful control.
Two custom-designed headphone amps deliver clear, powerful sound for high-impedance headphones, offering the best playback ever from a Scarlett.
A built-in talkback mic ensures seamless communication to the artists, while alt monitor switching lets you A/B your mixes between two speaker pairs.
All the software you need to make a hit record.
Once you’ve got started with Ableton Live Lite, Pro Tools Intro+, or six months of FL Studio Producer Edition recording software (all included), the Hitmaker Expansion bundle has everything you need to bring big studio sound to your songs, with an unbeatable range of record-making studio tools from the biggest names in the business.
Focusrite Control 2
Focusrite Control 2 is a powerful app that easily manages Scarlett 4th Gen interfaces on Windows and macOS devices. Pair the iOS and Android app to your desktop computer to remotely control your Scarlett from anywhere in your recording space.
Easy Start
Need help getting set up? Just tell our Easy Start tool what you want to do and we’ll guide you through all the software and setup you need, with recording tips and other helpful content along the way.
Three-year warranty
Millions of music makers rely on Scarlett every day to keep the inspiration flowing. Built to the highest standards for ultra-reliable performance, every Scarlett interface comes with the peace of mind of a three-year warranty.
Award-winning, global support
If you need help at any point you can reach out to our award-winning global support team. We work 24 hours a day, 7 days a week, 365 days a year, so you can too – if you want.
Specifications in detail
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
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
Dimensions
- Height 60.5mm
- Width 240mm
- Depth 169.4mm
- Weight 1.494kg
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
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
Line outputs (Balanced)
- Frequency Response 20-20kHz ± 0.02dB
- Dynamic Range 122dB (A-Weighted)
- THD+N -112dB
- Maximum Output Level 16dBu
- Impedance 200Ω
Power
- External (Optional) 30W
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
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)


























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