From the manufacturer


The engineer’s interface
Scarlett 18i20 is a hub for the modern studio with 18 inputs, 20 outputs, eight 4th Gen mic preamps, two high-power headphone outputs, front-panel speaker switching, and a built-in talkback mic.
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Focusrite Scarlett 18i20
Merchant video


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Our best sounding Scarlett ever
Scarlett 18i20 now features our flagship RedNet converters, eight upgraded 4th-gen preamps with 69dB of gain with Air modes, and a range of innovative workflow tools such as Auto Gain and Clip Safe.
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A hub for every recording studio
18i20 offers 18 inputs and 20 outputs to connect your entire studio setup, eight of our most detailed ultra-low-noise mic pres, two independent, high-powered headphone outputs, and clear LED metering.
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Get instant control with enhanced workflow tools
Set the perfect level faster than ever with Auto Gain on each input, and never lose a take with Clip Safe, which automatically adjusts the gain to prevent clipping.
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That big studio console sound
Re-engineered Air modes enhances the character of your sounds, adding musical presence or rich harmonic drive to vocals and acoustic instruments by emulating the tone of a classic studio console.
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Audio quality beyond its class
Completely redesigned audio circuitry now includes the same professional-grade 24-bit, 192kHz converters as our flagship RedNet range, boasting 122dB of dynamic range to capture every detail.


Control your mixes with desktop and mobile apps
The Focusrite Control 2 software takes care of setting up routing, levels, monitor mixes, and all other functions on 18i20. It’s fast and simple to operate; and in addition to the desktop application, the iOS and Android Focusrite Control 2 apps enables engineers and performers to adjust monitor mixes and microphone preamp gains in the live room.
Everything you need to make a hit record
Get started with Pro Tools Intro+ for Focusrite, Ableton Live Lite or six months of FL Studio Producer Edition recording software. Then explore the Hitmaker Expansion bundle, with an unbeatable range of record-making studio tools from the biggest names in the business. Get exceptional vocals with Antares Auto-Tune Access, huge guitar tones with Softube’s Marshall Silver Jubilee, and drums, keys, synths, and powerful production tools to get you release-ready results from your very first session.


Comparison Chart
![]() Scarlett 18i20 4th Gen
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![]() Scarlett 18i16 4th Gen
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![]() Scarlett 16i16 4th Gen
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![]() Scarlett 18i20 3rd Gen
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Customer Reviews
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4.6 out of 5 stars 4,186
|
4.6 out of 5 stars 4,186
|
4.6 out of 5 stars 4,186
|
4.6 out of 5 stars 2,798
|
Price
|
£539.00£539.00 |
£409.00£409.00 |
£298.00£298.00 |
£549.99£549.99 |
Microphone Preamps
|
8 |
4 |
2 |
8 |
Simultaneous I/O
|
18 in / 20 out |
18 in / 16 out |
16 in / 16 out |
18 in / 20 out |
Line Inputs
|
8 |
8 |
6 |
8 |
Line Outputs
|
10 |
4 |
4 |
10 |
Headphone Outputs
|
2 |
2 |
2 |
2 |
Digital I/O
|
S/PDIF & Dual ADAT |
S/PDIF & ADAT I/O |
S/PDIF & ADAT I/O |
S/PDIF & Dual ADAT |
MIDI I/O
|
✔ |
✔ |
✔ |
✔ |
Enhancement
|
Air: Presence and Drive |
Air: Presence and Drive |
Air: Presence and Drive |
Air: Presence |
Main/Alt Speaker Switching
|
✔ |
✔ |
✔ |
✔ |
Talkback Microphone
|
✔ |
✘ |
✘ |
✔ |
Auto Gain and Clip Safe
|
✔ |
✔ |
✔ |
✘ |
Bus Power
|
No |
Yes (3A) |
Yes (3A) |
No |