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Focusrite Scarlett 18i20 4th Gen USB Audio Interface vs Focusrite Scarlett 2i2 4th Gen, 2-in, 2-out USB Audio

Updated August 2026 — Focusrite Scarlett 18i20 4th Gen USB Audio Interface wins on connectivity and versatility, Focusrite Scarlett 2i2 4th Gen, 2-in, 2-out USB Audio wins on ease of use.

The Scarlett 18i20 is a more advanced audio interface suited for professional use, while the Scarlett 2i2 offers great value for beginners.

Why Focusrite Scarlett 18i20 4th Gen USB Audio Interface is better

Input/Output

18 inputs and 20 outputs vs 2 inputs and 2 outputs

Audio Quality

Higher dynamic range of 122dB vs 120dB

Features

More advanced recording features like extensive I/O and software support

Why Focusrite Scarlett 2i2 4th Gen, 2-in, 2-out USB Audio is better

Price

Significantly cheaper at $224.99

Portability

Compact design for mobile recording

Simplicity

Easier setup for beginners

Overall score

Focusrite Scarlett 18i20 4th Gen USB Audio Interface
85
Focusrite Scarlett 2i2 4th Gen, 2-in, 2-out USB Audio
70

Specifications

SpecFocusrite Scarlett 18i20 4th Gen USB Audio InterfaceFocusrite Scarlett 2i2 4th Gen, 2-in, 2-out USB Audio
Mic Preamps82
Converters24-bit, 192kHz24-bit, 192kHz
SoftwarePro Tools Intro+, Ableton Live LiteAbleton Live Lite, Avid Pro Tools Artist
Auto GainYesYes
Clip SafeYesYes

Dimension comparison

Focusrite Scarlett 18i20 4th Gen USB Audio InterfaceFocusrite Scarlett 2i2 4th Gen, 2-in, 2-out USB Audio

Overview of Focusrite Scarlett Audio Interfaces

The Focusrite Scarlett 18i20 and Scarlett 2i2 are both high-quality USB audio interfaces designed for musicians and podcasters, but they cater to different needs and budgets. The Scarlett 18i20 is priced at $749.99, while the Scarlett 2i2 is about 70% cheaper at $224.99. Each model offers unique features that can significantly impact your recording experience.

Input and Output Capabilities

When it comes to input and output capabilities, the Scarlett 18i20 stands out with 18 inputs and 20 outputs. This includes eight mic preamps and various connections like ADAT and MIDI I/O, making it ideal for complex setups. In comparison, the Scarlett 2i2 offers a simpler configuration with 2 inputs and 2 outputs. While the 2i2 is sufficient for solo artists and small projects, the extensive connectivity of the 18i20 is better suited for larger studio environments or bands needing multiple inputs simultaneously.

Audio Quality and Performance

Both interfaces boast impressive audio quality, but the Scarlett 18i20 takes the lead with 24-bit, 192kHz converters from Focusrite’s flagship RedNet range. This delivers a dynamic range of 122dB, ensuring detailed recordings. The Scarlett 2i2, while still high-quality, has a slightly lower dynamic range of 120dB. Both devices feature 4th-generation mic preamps with a gain range of 69dB, ensuring clarity and detail in recordings, but the 18i20's superior converters may provide a slight edge in professional settings.

Recording Features

In terms of recording features, the Scarlett 18i20 includes advanced tools like Auto Gain, which sets optimal levels quickly, and Clip Safe, which prevents clipping in real-time. These features allow for a more streamlined recording process, ideal for capturing dynamic performances. The Scarlett 2i2 also offers Auto Gain and Clip Safe, making it user-friendly for beginners and those looking for simplicity. However, the 18i20's additional features cater to more experienced users who require extensive control over their recordings.

Software and Compatibility

Both the Scarlett 18i20 and Scarlett 2i2 come with a robust software package, including Pro Tools Intro+, Ableton Live Lite, and Cubase LE, along with the Hitmaker Expansion. This suite provides essential effects and powerful tools for music production. The inclusion of these software options enhances the overall value of both interfaces, making them attractive choices for users at any level. However, the Scarlett 18i20's comprehensive software support may appeal more to professional producers needing advanced capabilities.

Design and Build Quality

The design and build quality of both interfaces are noteworthy. The Scarlett 18i20 is designed as a more robust unit, suitable for studio environments, while the Scarlett 2i2 is compact and portable, making it ideal for mobile recording. The 18i20's more extensive I/O options necessitate a larger form factor, but it remains user-friendly. The 2i2's smaller size is convenient for musicians on the go, but it might limit users who require extensive routing options.

Price Comparison

The Scarlett 18i20 is priced at $749.99, while the Scarlett 2i2 is significantly more affordable at $224.99. This price difference of about 70% makes the 2i2 more accessible for beginners or those on a budget. However, the 18i20's price reflects its advanced features and capabilities, making it a worthwhile investment for serious musicians and producers looking for professional-grade audio quality and extensive connectivity.

Which should you buy?

Choosing between the Scarlett 18i20 and Scarlett 2i2 ultimately depends on your specific needs and budget. If you're a professional musician or producer requiring multiple inputs and advanced recording features, the Scarlett 18i20 is the clear choice, despite its higher price. Conversely, if you're a beginner or someone who needs a straightforward, portable solution for recording, the Scarlett 2i2 offers exceptional value for its price. Each interface has its strengths, making them suitable for different types of users.