Kellards Focusrite Scarlett Solo USB-C Audio Interface vs MOTU M4 4x4 USB-C Audio Interface
Updated August 2026 — Kellards Focusrite Scarlett Solo USB-C Audio Interface wins on portability and ease of use, MOTU M4 4x4 USB-C Audio Interface wins on inputs and price.
The Focusrite Scarlett Solo offers excellent value and user-friendliness for beginners, while the MOTU M4 provides advanced features for serious users. Choose based on your experience and needs.
Why Kellards Focusrite Scarlett Solo USB-C Audio Interface is better
Price
Scarlett Solo is $179.99 compared to M4's $268.00
Portability
Scarlett Solo is more compact and easier to transport
Included Accessories
Scarlett Solo comes with headphones and pop filter
Why MOTU M4 4x4 USB-C Audio Interface is better
Inputs
MOTU M4 has 4 inputs compared to Scarlett Solo's 2
Display
MOTU M4 features an LCD screen for monitoring
Content
MOTU M4 includes 6+ GB of free content for users
Overall score
Specifications
| Spec | Kellards Focusrite Scarlett Solo USB-C Audio Interface | MOTU M4 4x4 USB-C Audio Interface |
|---|---|---|
| Dynamic Range | 120 dB | Not specified |
| Microphone Preamps | 1 | 2 |
| Loopback | Yes | Yes |
| Included Software | Pro Tools, Ableton | 6+ GB free |
| Monitoring | Basic | Hardware |
Dimension comparison
Overview of the Focusrite Scarlett Solo and MOTU M4
When comparing audio interfaces, the Focusrite Scarlett Solo and the MOTU M4 stand out as two excellent options, each with its own strengths. The Focusrite Scarlett Solo is priced at $179.99, while the MOTU M4 costs $268.00, making the Scarlett Solo about 33% cheaper. This price difference is significant for those on a budget, but it also invites a deeper look into what each product offers for the investment.
Design and Build Quality
The Focusrite Scarlett Solo boasts a compact and portable design that caters to musicians and creators who need to record on the go. Its sleek interface is designed for easy use, with an ultra-low-noise microphone preamp and a Hi-Z instrument input. In contrast, the MOTU M4 has a more robust design, featuring a larger chassis that accommodates an LCD screen for easier monitoring. While both interfaces are built for durability, the choice may come down to whether portability or a more comprehensive display is a priority for the user.
Audio Quality
Audio quality is paramount in any audio interface, and both the Focusrite Scarlett Solo and MOTU M4 deliver impressive sound. The Scarlett Solo features a dynamic range of 120 dB, which is excellent for capturing studio-quality sound. It uses high-quality converters similar to those found in professional studios, ensuring that your recordings will be crisp and clear. The MOTU M4, while not explicitly detailed in the provided information, is known for its high fidelity, given its position in the market and its inclusion of two microphone preamps. The MOTU M4 is likely to appeal to those requiring multiple inputs without sacrificing sound quality.
Features and Functionality
The Focusrite Scarlett Solo is packed with features tailored for musicians, including an Air mode that enhances vocal and guitar recordings. It also comes with a complete recording toolkit, including Pro Tools Artist and Ableton Live Lite, making it an all-in-one solution for those starting in music production. On the other hand, the MOTU M4 offers four inputs and four outputs, along with hardware monitoring and a loopback function for streaming and podcasting. The inclusion of 6+ GB of free content further enhances its value, especially for those who want to dive into music production or live performances.
Ease of Use
When it comes to user-friendliness, the Focusrite Scarlett Solo shines with its Easy Start tool designed to get you recording in minutes. This makes it an excellent choice for beginners who might find other interfaces daunting. Conversely, the MOTU M4, while also user-friendly, may have a steeper learning curve due to its more advanced features. However, for users familiar with audio interfaces, the added functionalities of the M4 may be worth the initial complexity.
Customer Ratings and Popularity
The Focusrite Scarlett Solo has a sales rank of 4,258, which indicates a solid level of popularity among consumers. Meanwhile, the MOTU M4 holds a better sales rank of 2,256, suggesting that it is favored by users looking for a versatile and high-functioning audio interface. This difference in rankings may reflect the M4's appeal to professionals or serious hobbyists who are willing to invest more for enhanced capabilities.
Value for Money
With the Focusrite Scarlett Solo priced at $179.99, it offers a compelling value for those new to recording or those who need a reliable interface without breaking the bank. The included accessories, such as studio monitor headphones and a pop filter, further enhance its value. On the other hand, the MOTU M4's price of $268.00 might seem high, but for users who require its advanced features and multiple inputs, it could justify the cost. The additional content provided with the M4 also adds to its overall value.
Which should you buy?
Choosing between the Focusrite Scarlett Solo and the MOTU M4 ultimately depends on your specific needs and budget. If you're a beginner or on a tighter budget, the Scarlett Solo offers exceptional recording quality and user-friendly features at a significantly lower price. Alternatively, if you're a more experienced user or require multiple inputs and advanced features for podcasting or music production, the MOTU M4 may be the better investment despite its higher cost. Each audio interface has its strengths, so the decision should align with your recording needs and experience level.

