Kellards Focusrite Scarlett Solo Studio USB-C Audio vs MOTU M4 4x4 USB-C Audio Interface
Updated August 2026 — Kellards Focusrite Scarlett Solo Studio USB-C Audio wins on portability, MOTU M4 4x4 USB-C Audio Interface wins on inputs and price.
The Focusrite Scarlett Solo Studio offers bundled accessories and is ideal for solo musicians, while the MOTU M4 provides more inputs and a lower price, making it a versatile choice for larger projects.
Why Kellards Focusrite Scarlett Solo Studio USB-C Audio is better
Bundled Accessories
Includes microphone and headphones
User-Friendly
Compact and easy to use for solo musicians
Sound Quality
High-quality 24-bit/192 kHz audio
Why MOTU M4 4x4 USB-C Audio Interface is better
Price
Cheaper by about 10.5%
Input Options
4-in/4-out configuration for more versatility
Monitoring
LCD screen for better level management
Overall score
Specifications
| Spec | Kellards Focusrite Scarlett Solo Studio USB-C Audio | MOTU M4 4x4 USB-C Audio Interface |
|---|---|---|
| Audio Quality | 24-bit/192 kHz | 24-bit/192 kHz |
| Loopback | Yes | Yes |
| Microphone Preamps | 1 | 2 |
| Direct Monitoring | Zero-Latency | Hardware Monitoring |
| Software Compatibility | Mac/Windows/iPadOS | Mac/PC/iOS |
Dimension comparison
Design and Build Quality
Both the Focusrite Scarlett Solo Studio and the MOTU M4 feature robust designs suitable for home studios and mobile setups. The Focusrite Scarlett Solo Studio is a compact USB-C audio interface that offers a user-friendly layout with essential controls easily accessible. With its sleek design, it includes a microphone, headphones, and additional accessories, which enhance its value. On the other hand, the MOTU M4 is also compact but stands out with an LCD screen that provides real-time monitoring of levels, making it easier to manage audio. This screen is particularly beneficial for users who prefer visual feedback, giving the M4 a slight edge in functionality.
Price Comparison
The Focusrite Scarlett Solo Studio is priced at $299.99, while the MOTU M4 comes in at $268.00. This makes the MOTU M4 about 10.5% cheaper than the Scarlett Solo. Given that both products cater to a similar audience, the price difference could influence budget-conscious buyers. While the Scarlett Solo includes additional accessories like headphones and a microphone, the M4’s lower price might appeal to those who already have these items or prefer to purchase them separately.
Features and Functionality
In terms of features, both audio interfaces offer impressive capabilities. The Focusrite Scarlett Solo Studio boasts a 2-in/2-out configuration, with a 24-bit/192 kHz AD/DA conversion, providing high-quality audio suitable for various applications like recording and streaming. It also includes a selectable Air circuit for vocal clarity and a Loopback feature for mixing audio from different applications. The MOTU M4, on the other hand, has a 4-in/4-out configuration and includes two microphone preamps, hardware monitoring, and its own Loopback feature. While both interfaces have similar functionalities, the additional inputs on the M4 make it more versatile for users who may need to record multiple sources simultaneously.
Intended Use
The Focusrite Scarlett Solo Studio is ideal for singer-songwriters, podcasters, and guitarists, making it a great choice for individuals looking to create music or content independently. Its bundled accessories, including a microphone and headphones, cater directly to this demographic. The MOTU M4, with its robust feature set and multiple inputs, is better suited for users who require more extensive recording capabilities, such as bands or larger projects. The choice between the two may depend heavily on the intended use; solo musicians might prefer the Scarlett Solo, while collaborative setups could benefit from the M4.
Software Compatibility
The Focusrite Scarlett Solo Studio is compatible with Mac, Windows, and iPadOS, which provides flexibility for users across different platforms. It also supports popular digital audio workstations (DAWs) like Ableton and Pro Tools, enhancing its appeal for beginners and professionals alike. The MOTU M4 is similarly compatible with Mac, PC, and iOS, and comes with over 6GB of free content, which is a significant advantage for those starting their audio production journey. Both products are well-equipped for software compatibility, but the added content package from the M4 could be enticing for new users looking to dive right into music production.
Monitoring Capability
Monitoring is a crucial aspect of any audio interface, and both the Focusrite Scarlett Solo Studio and the MOTU M4 excel in this area. The Scarlett Solo features zero-latency direct monitoring, allowing users to hear their recordings in real-time without delay. This is essential for musicians who need to keep in sync with their performance. The MOTU M4 also offers hardware monitoring, but the inclusion of an LCD screen allows for better level management during recording. This feature can significantly enhance the recording experience, making it easier to adjust levels on the fly, which is particularly useful in dynamic recording environments.
Customer Reception
The Focusrite Scarlett Solo Studio has a sales rank of 6745, indicating a solid presence in the market, while the MOTU M4 ranks significantly higher at 2256. This suggests that the MOTU M4 is more popular among consumers, potentially due to its competitive pricing and robust feature set. Customer reviews often highlight the reliability and sound quality of both products, but the M4’s higher ranking reflects a broader acceptance in the audio community.
Which should you buy?
Choosing between the Focusrite Scarlett Solo Studio and the MOTU M4 ultimately depends on your specific needs and preferences. If you are a solo musician or podcaster looking for an all-in-one solution with bundled accessories, the Focusrite Scarlett Solo Studio may be the better choice despite its higher price. However, if you require more input options and prefer a lower price point while still maintaining high audio quality, the MOTU M4 is likely the superior option. Both products offer unique advantages, so assessing your recording needs will guide your decision effectively.

