Scarlett 18i20
The Interface Your Studio Deserves
✔ Eight Scarlett mic preamps with plenty of even gain, exceptional headroom, low noise and minimal distortion
✔ Two instrument inputs, designed for seriously hot pickups
✔ Class-leading digital conversion at up to 24-bit/192kHz
✔ 10 balanced analogue outputs, including a dedicated stereo pair with anti-thump circuitry

HANDLE ANYTHING THAT COMES YOUR WAY
Our 18-in, 20-out USB audio interface can handle just about anything your band or studio can throw at it. Beautiful and rackmountable, it gives you the highest I/O of any Scarlett interface, pristine sound quality, separate stereo headphone mixes, extensive expansion options and round-trip latency as low as 2.74 ms, all in a 1U space.

UNRIVALLED SOUND QUALITY
We’ve been perfecting audio conversion for over 20 years. Our class-leading digital conversion operates at up to 24-bit and up to 192kHz, so you capture every nuance of every performance in crystal clear audio without any unwanted noise or hum, even when you’re playing softly.

ENJOY TWO YEARS OF WARRANTY
OUR COMMITMENT TO OUR CUSTOMERS
Wherever you happen to be in the world, you can rely on our two-year warranty if any Focusrite hardware needs repairing or replacing due to a manufacturing fault.

Whats in the box
Make the best recordings
Scarlett 18i20
USB cable
XLN Audio – Addictive Keys: one of four inspiring and interesting keyboard instruments
Focusrite – Red Plug-in Suite: accurately models our classic Red 2 equaliser and Red 3 compressor
Softube – Time and Tone Bundle: four of Softube's world-class reverb, delay, mastering and distortion plug-ins
Focusrite – Plug-in Collective: exclusive offers, tutorial content and more, from some of the most innovative and prestigious plug-in companies
Ableton® – Live Lite™: industry leading music-making software
Avid® – Pro Tools® | First Focusrite Creative Pack: industry leading music-making software
Loopmasters: 2GB of royalty-free sample libraries
Focusrite Control
Support
I NEED HELP WITH MY SCARLETT 18I20
Find out just how easy it is to set up your Scarlett 18i20

Plug-in collective
One plug-in offer will be featured in your Focusrite account every couple of months, keeping you up to date with the tidal wave of releases. Nobody else works with software manufacturers like us, enabling you to download free plug-ins and benefit from generous discounts.

FOCUSRITE CONTROL
Configure your routing and monitor mixes from Mac®, PC, iPad®, iPhone® or iPod touch® with user-friendly control software Focusrite Control.
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Specifications in detail
We always quote 'real world' performance figures (measured to the AES17 standard). Some companies choose to quote chipset performance, which is misleading, and here's why.
Supported Operating Systems
Compatible with Mac 10.10 onwards and Windows 8.1 onwards
Supported Sample Rates
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
Microphone Inputs
- Frequency Response
- 20 Hz - 20 kHz +0.5/-1.5 dB
- Dynamic Range
- 109 dB (A-Weighted)
- THD+N
- <0.002%
- Noise EIN
- -127 dBu
- Maximum input level
- +8.5 dBu
- Gain Range
- 50 dB
Line Inputs
- Frequency Response
- 20 Hz - 20 kHz +0.5/-1.5 dB
- Dynamic Range
- 109 dB (A-Weighted)
- THD+N
- <0.003%
- Maximum input level
- +22 dBu
- Gain Range
- 50 dB
Instrument Inputs
- Frequency Response
- 20 Hz - 20 kHz +0.5/-1.5 dB
- Dynamic Range
- 109 dB (A-Weighted)
- THD+N
- <0.003%
- Maximum input level
- +12 dBu
- Gain Range
- 50 dB
Monitor Outputs (1-2)
- Frequency Response
- 20 Hz - 20 kHz +0.5dB
- Dynamic Range (Line Outputs)
- 108 dB (A-Weighted)
- THD+N
- <0.001%
- Maximum Output Level (0 dBFS)
- +16 dBu
Line Outputs (3-10)
- Frequency Response
- 20 Hz - 20 kHz +0.5dB
- Dynamic Range (Line Outputs)
- 108 dB (A-Weighted)
- THD+N
- <0.001%
- Maximum Output Level (0 dBFS)
- +16 dBu
Headphone Outputs
- Frequency Response
- 20 Hz - 20 kHz +0.5dB
- Dynamic Range
- 108 dB (A-Weighted)
- THD+N
- <0.001%
- Maximum Output Level
- +13 dBu