Focusrite Scarlett 18i20

USB 2.0 Audio Interface, 18-in/20-out, 24-bit/192kHz, with 8 Mic/Instrument Preamps, 16 Channels of MIDI, ADAT I/O, Dual Headphone Buses, and Bundled Software - Mac/PC
4.5/5 28 Write review Item ID: Scarlet18i20G2
Focusrite Scarlett 18i20 image 1
Focusrite Scarlett 18i20 image 1
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Focusrite Scarlett 18i20
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Focusrite's Flagship Scarlett

The second-generation Focusrite Scarlett 18i20 provides a ton of firepower in an affordable package. Two vibrant Focusrite mic/instrument preamps are right on the front panel where you need them, while the back panel hosts a slew of extra I/O — up to 18-in/20-out simultaneously! With six additional XLR inputs around back, plus eight channels of ADAT input and 2-channel S/PDIF I/O, the Scarlett 18i20 is a perfect foundation for home or project studios that may need to expand in the future. Plug in, fire up the bundled software, and you're ready to rock.

Optimized second-generation technology

The 2nd-generation Focusrite Scarlett 18i20's exterior has undergone a sleek makeover. Under the hood, though, it's been tweaked and upgraded to deliver better sonics, lower latency, and enhanced ease of use. With sample rates up to 192kHz, you've got studio-grade sound for your projects. And Focusrite has evened out the gain structure of the natural-sounding Scarlett mic preamps, letting you set levels more accurately. The instrument inputs have also been re-engineered to handle the hottest active pickups. Lastly, Focusrite has wired analog protection circuitry across the Scarlett 18i20's inputs and outputs, safeguarding your interface from damaging power surges.

Super-low latency for better performances

You know you perform better when you've got a great-sounding monitor mix with everything you need to hear to be inspired — for example, reverb and delay on a guitar solo. The Scarlett 18i20's super-low latency lets you monitor with native plug-in effects in real time, so you can hear your parts as you envision them and record better performances. At Sweetwater, we know you can't put a price on that.

Award-winning Focusrite preamps capture great audio

The Focusrite Scarlett 18i20 is equipped with eight vibrant and pristine Focusrite preamps. For over 25 years, Focusrite's award-winning pres have proven their mettle in pro studios around the world. Focusrite ports their considerable design savvy into the transparent, low-noise, low-distortion preamps in the Scarlett 18i20. This is the same technology found in Focusrite's flagship products, giving you gobs of available headroom to accommodate your dynamic, condenser, and ribbon mics on any source, no matter how boisterous. Of course, you also get phantom power for your mics that require it.

Create the mixes you need and route them where you want

To keep that high channel count under control, Focusrite includes their acclaimed Focusrite Control software for ultimate flexibility. Create up to six separate mono mixes or three stereo mixes, each routable to any of the Scarlett 18i20's outputs. Save your mixes for instant recall later on. Reroute your signal path without having to replug your whole studio. The Scarlett 18i20 was built with flexibility in mind. You can even plug the Scarlett 18i20 into your iPad via the Apple Camera Connection Kit and record on the go.

Remote control from your iPhone or iPad

With the free Focusrite iOS Control app, you can adjust the mixes you made with Focusrite Control on the desktop app from your iPad, iPhone, or iPod touch.

Exclusive software bundle gets you up and running fast

The Focusrite Scarlett 18i20 ships with a killer software bundle headlined by the exclusive Pro Tools | First Focusrite Creative Pack, which features a 16-track version of the DAW with 12 additional plug-ins, including Eleven Lite guitar amp emulation. You also get Ableton Live Lite, Softube's Time and Tone Bundle, the Focusrite Red Plug-In Suite, 2GB of Loopmasters samples, and more. Focusrite has included everything you need to get up and running fast:

  • Red 2 and Red 3 Plug-in Suite
  • Softube Time and Tone Pack
  • Exclusive Pro Tools | First Focusrite Creative Pack
  • Ableton Live Lite DAW software
  • Loopmasters sounds and samples (2GB)
  • Novation Bass Station VST and AU plug-in synth
  • XLN Addictive Keys
  • Focusrite Control iOS remote control software

Focusrite Scarlett 18i20 Features:

  • Optimized second-generation technology
  • A ton of I/O for an interface in this class
  • Up to 18 inputs and 20 outputs
  • 8 award-winning mic/instrument preamps
  • Re-engineered instrument inputs accommodate the hottest pickups
  • 8 channels of ADAT, 2 channels of S/PDIF
  • 16 channels of MIDI
  • Dual headphone preamps
  • Class-leading converters, sample rates up to 24-bit/192kHz
  • Create the mixes you need and route them where you want
  • Vanishingly low latency lets you monitor with plug-ins, no DSP required
  • Flexible routing options make it easy to change signal flow without replugging cables
  • Exclusive software bundle gets you up and running fast

Additional Media

Audio Interface Buying Guide
Scarlett 18i20 - Second Generation User Guide
Scarlett Second Generation Focusrite Control User Guide

Tech Specs

Computer Connectivity USB
Form Factor Rackmount
Simultaneous I/O 18 x 20
Number of Preamps 8
Phantom Power Yes
A/D Resolution 24-bit/192kHz
Analog Inputs 8 x XLR-1/4" combo
Analog Outputs 8 x 1/4" (line out), 2 x 1/4" (monitor out), 2 x 1/4" (headphones)
Digital Inputs 1 x Optical (ADAT), 1 x Coax (S/PDIF)
Digital Outputs 1 x Optical (ADAT), 1 x Coax (S/PDIF)
USB 1 x USB Type B
Clock I/O Out
OS Requirements - Mac OS X 10.10 or later
OS Requirements - PC Windows 7 or later
Rack Spaces 1U
Power Supply Standard IEC AC cable
Depth 11.26"
Weight 7.21 lbs.
Manufacturer Part Number Scarlett 18i20 G2

Customer Reviews

Based on 28 reviews
Write your review

focusrite 18i20

Just what I needed! Plenty of In's plenty of Out's for all my Analog gear......and my future gear. Charles Davis done it Again!!!! Shipping is always fast! The candy ain't to bad either! Thanks Sweetwater for all the years of great service and getting me all the gear I need to do what I love doing!
Music background: Beat Maker/Producer

How did I live without this?

I was looking for a new recording interface to record my band's demo, I needed the ability to record many tracks at once and this beauty was recommended to me by a friend. This thing creates beautiful sounding vocal tracks, and makes recording drums a breeze. The latency is completely negligible, I get lower latency on the Scarlett than if I use the built-in mic & speakers on my computer (Seriously!). And on top of being a great piece of hardware, it comes with some amazing plugins from Softube that have become staples in my recording toolbox. I don't know how I ever lived without the Scarlett 18i20!

Super Fast!

This is the best (USB 2.0 Audio) interface I have encountered so far for the money. Along with a Sweetwater Creation Station, you can't go wrong. Pristine sound and very low latency. I have achieved as low as 1.7ms!
Music background: Guitars, Piano, Project production.


I am literally blown away by the sound of this unit . This may sound silly for most of you all, but I even decided to sell my $899 Apollo twin Duo With several hundred dollars worth of plug-ins because I wasn't using it anymore . I literally have all that I ever needed in an audio interface. If I need more inputs I will definitely reach out for a mic preamp and probably from focusrite... Definitely recommend this unit for anybody that's curious about how good it is
Music background: Musician, worshiper, producer!

Scarlett 18i20

I am a musician, songwriter, and produce my own material. I have recorded professionally and have a home studio, since the late 1970s. Recorded through various interfaces and recently purchased the Scarlett 18i20 (2nd Gen). I was reluctant buying a USB2 interface, but could not wait until USB 3 matured enough to replace my aging interface. RME is way to expensive for enough in and outs that the Scarlett has. Great design with most in & outs in the rear and meters in front. Very easy to operate in a studio rack.I tested guitars, several basses, vocal condenser mics for audio quality. I A/B them against digital vocal preamps, hardware guitar direct effects processors etc. The Scarlett's preamps sounded warm and clear. I was surprised at the clarity and presence, especially with vocals. I did not notice any latency with anything I have thrown at it. Round trip Asio= 7. The computer control is easy and versatile. I used a few included plug-ins, and it came with more than most. My opinion is - an incredible value for under $500 and I agree that everything "just works".
Music background: Bassist >40yrs
See also: USB Interfaces, Focusrite, Focusrite USB Audio Interfaces