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Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface vs MOTU M6 6x4 USB-C Audio Interface with Studio-Quality Sound

Updated August 2026 — Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface wins on included softwar and price, MOTU M6 6x4 USB-C Audio Interface with Studio-Quality Sound wins on latency and sound.

The Focusrite Scarlett 4i4 offers great value with essential features, while the MOTU M6 provides advanced capabilities for a higher price.

Why Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface is better

Price

Scarlett 4i4 is more budget-friendly at $319.99.

User-Friendliness

Scarlett 4i4 includes Auto Gain and Clip Safe features.

Included Software

Scarlett 4i4 comes with a complete recording toolkit.

Why MOTU M6 6x4 USB-C Audio Interface with Studio-Quality Sound is better

Sound Quality

MOTU M6 uses ESS Sabre32 DAC technology for superior audio.

Latency

MOTU M6 achieves ultra-low round trip latency of 2.5 ms.

Metering

MOTU M6 features a full-color LCD for detailed level metering.

Overall score

Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface
85
MOTU M6 6x4 USB-C Audio Interface with Studio-Quality Sound
90

Specifications

SpecKellards Focusrite Scarlett 4i4 USB-C Audio/MIDI InterfaceMOTU M6 6x4 USB-C Audio Interface with Studio-Quality Sound
Dynamic Range120 dB120 dB
Inputs46
Outputs44
Preamp Noise-129 dBu-129 dBu
LoopbackYesYes

Dimension comparison

Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI InterfaceMOTU M6 6x4 USB-C Audio Interface with Studio-Quality Sound

Overview of Audio Interfaces

When comparing the Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface and the MOTU M6 6x4 USB-C Audio Interface, the key difference is their target user base and features. The Scarlett 4i4 is priced at $319.99, while the M6 has a higher price point of $449.95, making it about 40% more expensive. Both devices cater to musicians and podcasters, but they do so with distinct functionalities and sound quality.

Sound Quality

The Focusrite Scarlett 4i4 boasts a dynamic range of 120 dB, matching the quality found in professional studios. This feature is crucial for capturing high-fidelity audio, whether for music production or podcasting. In contrast, the MOTU M6 also claims a dynamic range of 120 dB, but it utilizes ESS Sabre32 DAC technology, typically seen in higher-end interfaces, to deliver an astonishing performance. This technology allows for ultra-clean preamps that achieve a measured -129 dBu EIN on mic inputs, indicating superior noise performance compared to many competitors.

Connectivity Options

The Scarlett 4i4 offers a rich array of connectivity options including two Scarlett 4th Gen mic preamps, two Hi-Z instrument inputs, and MIDI I/O, making it versatile for various recording setups. On the other hand, the MOTU M6 features six inputs and four outputs, allowing for more simultaneous connections. Additionally, the M6 provides a unique A/B monitor switch to easily toggle between two sets of monitors, a feature that can be invaluable for mixing and mastering.

User Experience

User-friendliness is a significant aspect of the Focusrite Scarlett 4i4, which includes features like Auto Gain and Clip Safe to minimize recording errors. This makes it an excellent option for beginners or those who want to focus on creativity rather than technicalities. Conversely, the MOTU M6 shines in its metering capabilities with a full-color LCD display showing detailed level meters for all inputs and outputs, enhancing the recording experience for those who prioritize precise control over their audio levels.

Streaming and Podcasting Features

The Scarlett 4i4 incorporates a Loopback feature, which allows users to mix audio from other apps, making it a great choice for podcasters and streamers. This functionality is particularly beneficial for those who need to integrate various audio sources seamlessly. The MOTU M6 also includes Loopback capabilities, but it enhances this with best-in-class speed for monitoring live inputs, achieving ultra-low round trip latency of 2.5 ms. This makes the M6 a fantastic choice for real-time audio applications, such as live streaming.

Included Software and Accessories

When it comes to bundled software and accessories, the Focusrite Scarlett 4i4 comes with a complete recording toolkit, including Pro Tools Artist, Ableton Live Lite, and Focusrite's Hitmaker Expansion software bundle. This inclusion is highly beneficial for new users looking to start recording immediately. The MOTU M6, however, does not specify any software included with the purchase, which could be a drawback for those who expect a comprehensive start-up package.

Price Comparison

The Focusrite Scarlett 4i4 is priced at $319.99, making it a more budget-friendly option compared to the MOTU M6, which retails for $449.95. This places the M6 about 40% higher in price, making it a more significant investment. While both interfaces deliver high-quality sound, the price difference may sway budget-conscious buyers towards the Scarlett 4i4, especially those who do not require the advanced features of the M6.

Brand Reputation and Sales Rank

With a sales rank of 11,822, the Focusrite Scarlett 4i4 is a strong contender in the audio interface market, showcasing its popularity among users. The MOTU M6, with a sales rank of 14,791, is slightly behind but still respected for its quality. Brand reputation is important in the audio industry, and both brands have established themselves as reliable choices for musicians and audio professionals.

Which should you buy?

In conclusion, your choice between the Focusrite Scarlett 4i4 and the MOTU M6 should be guided by your specific needs. If you require a more budget-friendly option with solid performance and essential features for recording, the Scarlett 4i4 at $319.99 is a compelling choice. However, if you prioritize advanced features, superior sound quality, and are willing to invest more for those capabilities, the MOTU M6 at $449.95 could be the better option for you. Each interface has its unique strengths, making them suitable for different types of users in the audio landscape.