Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface vs Solid State Logic SSL 2 Plus MKII USB Audio
Updated August 2026 — Solid State Logic SSL 2 Plus MKII USB Audio leads on connectivity and software bundle.
The Focusrite Scarlett 4i4 offers a comprehensive bundle for beginners, while the SSL 2 Plus MKII excels in audio quality for professionals.
Why Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface is better
Bundle Value
Includes headphones and pop filter
User-Friendly
Auto Gain and Clip Safe features
Connectivity
More line inputs and outputs
Why Solid State Logic SSL 2 Plus MKII USB Audio is better
Audio Quality
Superior 32-bit / 192 kHz AD/DA conversion
Professional Design
Legacy 4K analog enhancement
Software Bundle
Includes SSL Production Pack
Overall score
Specifications
| Spec | Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface | Solid State Logic SSL 2 Plus MKII USB Audio |
|---|---|---|
| Mic Preamps | 2 | 2 |
| Hi-Z Inputs | 2 | 2 |
| AD/DA Conversion | 24-bit / 192 kHz | 32-bit / 192 kHz |
| MIDI I/O | Yes | Yes |
| Loopback | Yes | Yes |
Dimension comparison
Overview of the Focusrite Scarlett 4i4 and SSL 2 Plus MKII
The Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface is priced at $319.99, while the Solid State Logic SSL 2 Plus MKII is slightly cheaper at $299.99, making it about 6% less expensive. Both audio interfaces target musicians, podcasters, and content creators, offering a range of features designed for high-quality audio capture. While the Focusrite is a bundle that includes headphones and a pop filter, the SSL 2 Plus MKII focuses on delivering a robust audio experience with its legacy components.
Build Quality and Design
Both the Focusrite Scarlett 4i4 and SSL 2 Plus MKII boast durable designs suitable for studio and on-the-go use. The Scarlett 4i4 features a compact layout that integrates easily into any setup, while the SSL 2 Plus MKII, with its sleek, professional aesthetic, emphasizes its heritage in the audio production industry. The SSL model is known for its user-friendly design, making it accessible for both beginners and seasoned pros. However, the addition of headphones and accessories in the Focusrite bundle offers extra value for those setting up a complete home studio.
Audio Performance
When it comes to audio performance, the Focusrite Scarlett 4i4 stands out with its impressive 120 dB dynamic range, utilizing converters found in professional studios. Conversely, the SSL 2 Plus MKII also offers high-quality 32-bit / 192 kHz AD/DA conversion, providing exceptional sound clarity. Both interfaces feature advanced mic preamps; however, the Scarlett's Auto Gain feature and Clip Safe technology ensure that recording levels are consistently optimal, which is particularly beneficial for users who may be less experienced with audio recording.
Connectivity Options
Connectivity is a crucial aspect of any audio interface. The Focusrite Scarlett 4i4 offers an extensive range of connections, including two Scarlett mic preamps, two Hi-Z instrument inputs, four line outputs, and traditional MIDI I/O. This extensive connectivity allows users to connect multiple instruments and MIDI devices simultaneously. The SSL 2 Plus MKII, while also offering MIDI I/O, has only two mic preamps and two Hi-Z inputs. However, it does provide four balanced outputs, which can be advantageous for routing audio to multiple destinations.
Software Bundles
Both audio interfaces come with software bundles that enhance their value. The Focusrite Scarlett 4i4 includes Pro Tools Artist, Ableton Live Lite, and a range of plugins through the Hitmaker Expansion, such as Auto-Tune Access. This is an excellent package for those looking to dive into music production or podcasting. On the other hand, the SSL 2 Plus MKII includes the SSL Production Pack, which provides a suite of professional-quality plugins tailored for music production. While both bundles are impressive, the Focusrite package may be more appealing for beginners due to its inclusion of more diverse tools.
Target Users
The Focusrite Scarlett 4i4 is designed with musicians and content creators in mind, offering a user-friendly experience that is accessible to beginners. It is particularly suitable for users who may need the added support of features like Auto Gain and Clip Safe. The SSL 2 Plus MKII, however, is aimed more at serious producers and audio engineers who demand high-quality sound and are familiar with professional audio equipment. Its legacy 4K analog enhancement feature appeals to those who appreciate the nuances of classic SSL sound.
Pricing Comparison
The Focusrite Scarlett 4i4 is priced at $319.99, while the SSL 2 Plus MKII is available for $299.99, making it approximately 6% cheaper. This price difference could be a deciding factor for budget-conscious buyers. However, the Focusrite's bundle, which includes studio monitor headphones and a pop filter, may justify the higher price for users looking for a complete setup. Ultimately, the choice may depend on whether the user prioritizes standalone audio performance or additional accessories.
Which should you buy?
Choosing between the Focusrite Scarlett 4i4 and the SSL 2 Plus MKII depends on your specific needs and budget. If you are a beginner looking for an all-in-one solution with valuable accessories, the Focusrite Scarlett 4i4 may be the better option for you. However, if you are a seasoned producer seeking superior audio quality and are comfortable with a slightly steeper learning curve, the SSL 2 Plus MKII offers exceptional performance at a lower price point. Both interfaces have their strengths, so consider what features matter most to your audio production journey.

