Audient EVO 4 USB Audio Interface vs Focusrite Scarlett 18i20 4th Gen USB Audio Interface
Updated August 2026 — Audient EVO 4 USB Audio Interface wins on price and portability, Focusrite Scarlett 18i20 4th Gen USB Audio Interface wins on i/o and audio.
The Focusrite Scarlett 18i20 offers superior features and audio quality, making it the better choice for professionals, while the Audient EVO 4 is ideal for beginners on a budget.
Why Audient EVO 4 USB Audio Interface is better
Price
Audient EVO 4 is significantly cheaper.
Portability
Audient EVO 4 is compact and easy to transport.
Simplicity
Audient EVO 4 is user-friendly for beginners.
Why Focusrite Scarlett 18i20 4th Gen USB Audio Interface is better
Audio Quality
Focusrite Scarlett 18i20 has higher fidelity recording.
I/O Options
Focusrite Scarlett 18i20 offers more inputs and outputs.
Software Package
Focusrite Scarlett 18i20 includes comprehensive software.
Overall score
Specifications
| Spec | Audient EVO 4 USB Audio Interface | Focusrite Scarlett 18i20 4th Gen USB Audio Interface |
|---|---|---|
| Inputs | 2 | 18 |
| Outputs | 2 | 20 |
| Preamps | 1 | 8 |
| Audio Quality | 24-bit, 96kHz | 24-bit, 192kHz |
| Dynamic Range | N/A | 122dB |
Dimension comparison
Price Comparison
The Audient EVO 4 USB Audio Interface is priced at $161.40, making it significantly less expensive than the Focusrite Scarlett 18i20, which retails for $749.99. This means the Audient EVO 4 is about 79% cheaper than the Focusrite Scarlett 18i20, allowing budget-conscious consumers to save a considerable amount. The price difference is a crucial factor for many, especially beginners or hobbyists who may not need the extensive capabilities of the Scarlett 18i20. For those just starting in music production or podcasting, the Audient EVO 4 presents an attractive option without compromising on essential features.
Design and Build Quality
Both the Audient EVO 4 and the Focusrite Scarlett 18i20 boast a professional design, but they cater to different user needs. The Audient EVO 4 features a compact and portable design, ideal for musicians on the go, while the Focusrite Scarlett 18i20 is a more robust, rack-mountable unit suited for studio environments. The Audient's multifunctional rotary control with an LED ring enhances its user-friendly interface, making it easy to manage settings quickly. In contrast, the Scarlett 18i20’s extensive input and output options reflect its professional-grade build, designed to accommodate various recording setups.
Input and Output Capabilities
In terms of input and output options, the Audient EVO 4 offers a more modest setup compared to the Focusrite Scarlett 18i20. The Audient features a discrete JFET instrument input and a total of two inputs, suitable for basic recording scenarios. On the other hand, the Scarlett 18i20 stands out with a staggering 18 inputs and 20 outputs, including eight mic preamps and various digital connectivity options like ADAT and MIDI I/O. This extensive I/O capability allows users to connect multiple instruments and devices simultaneously, making it ideal for larger projects or professional studios.
Audio Quality
When it comes to audio quality, the Focusrite Scarlett 18i20 takes the lead with its high-fidelity recording capabilities. It is equipped with 24-bit, 192kHz converters from Focusrite's flagship RedNet range, offering a dynamic range of 122dB. This level of quality ensures that recordings are detailed and clear, even in complex setups. In contrast, while the Audient EVO 4 also features class-leading AKM converters, its audio quality is not specified to the same extent. The Scarlett 18i20's superior specs cater to professionals looking for studio-quality results, while the Audient serves well for less demanding applications.
Software and Workflow
The Audient EVO 4 comes with a DSP-based low latency software mixer that features a flexible routing matrix, allowing for intuitive control. This software complements its hardware capabilities well for simpler setups. However, the Focusrite Scarlett 18i20 offers a more comprehensive software package, including Pro Tools Intro+, Ableton Live Lite, and Cubase LE, among others. These tools provide users with various effects, instruments, and mastering tools, making it easier to create professional-quality recordings. The inclusion of features like Auto Gain and Clip Safe in the Scarlett also enhances the user experience by ensuring optimal recording levels and preventing clipping.
Target Audience
The Audient EVO 4 is ideal for beginners, podcasters, and musicians who require a straightforward and easy-to-use audio interface. Its compact design and essential features make it a great entry point for users not yet ready to invest in higher-end equipment. Conversely, the Focusrite Scarlett 18i20 is tailored for professionals and serious hobbyists who need a comprehensive set of features and the ability to handle complex recording scenarios. Its extensive input options and high-quality converters make it a go-to choice for studio environments and larger multi-track recording projects.
Sales Rank and Market Position
In terms of market performance, the Focusrite Scarlett 18i20 holds a higher sales rank, coming in at 2,965, compared to the Audient EVO 4's rank of 7,021. This suggests that the Scarlett is a preferred choice among users, likely due to its extensive features and professional reputation. However, the Audient EVO 4's ranking still indicates a solid interest among users looking for an affordable and efficient solution, particularly in the entry-level market.
Which should you buy?
Ultimately, the choice between the Audient EVO 4 and the Focusrite Scarlett 18i20 depends on your specific needs and budget. If you are an entry-level user or someone who requires a simple, affordable interface, the Audient EVO 4 is an excellent choice at $161.40. However, if you are a professional or serious music producer looking for advanced features and high-quality recordings, the Focusrite Scarlett 18i20, despite its higher price of $749.99, provides the extensive capabilities and superior audio quality necessary for demanding projects.

