Audient Audio Interface iD4 MKII, Class A Console vs Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface
Updated August 2026 — Audient Audio Interface iD4 MKII, Class A Console wins on portability, Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface wins on software bundle and features.
The Focusrite Scarlett 4i4 offers more features and connectivity options, making it a better choice for serious musicians, while the Audient iD4 MKII is a solid, budget-friendly option.
Why Audient Audio Interface iD4 MKII, Class A Console is better
Price
The Audient iD4 MKII is more affordable.
Portability
The all-metal housing makes it more durable for travel.
Simplicity
Easier setup with fewer features.
Why Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface is better
Audio Quality
Higher dynamic range of 120 dB.
Connectivity
More inputs and MIDI I/O available.
Bundled Software
Includes a comprehensive software package.
Overall score
Specifications
| Spec | Audient Audio Interface iD4 MKII, Class A Console | Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface |
|---|---|---|
| USB Type | USB-C | USB-C |
| Preamp Type | Class A | 4th Gen |
| MIDI I/O | No | Yes |
| Software Bundle | None | Yes |
| Compatibility | Mac/PC/iOS | Mac/PC/iOS |
Dimension comparison
Overview of the Audient Audio Interface iD4 MKII
The Audient Audio Interface iD4 MKII is a high-quality audio interface designed for home recording and mobile use. Priced at $214.90, it offers a Class A console microphone preamp that enhances audio quality significantly. This model has a bestseller rank of 4067, indicating its popularity among users.
This interface features a new high-speed USB-C connector for improved handling and power supply. It’s compatible with Mac, PC, and iOS devices, making it versatile for various setups. The all-metal desktop housing ensures durability, allowing you to take it on the go without worrying about wear and tear.
Overview of the Focusrite Scarlett 4i4
The Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface is a more robust option priced at $319.99, making it about 49% more expensive than the Audient iD4 MKII. With a bestseller rank of 11822, it still holds a solid position in the market. This interface is designed as a comprehensive hub for musicians, featuring two Scarlett 4th Gen mic preamps and multiple inputs and outputs.
This model boasts a dynamic range of 120 dB, providing studio-quality sound that rivals professional setups. It also includes features like Auto Gain and Clip Safe, which enhance user experience by preventing clipping and automatically setting recording levels. The Scarlett 4i4 is compatible with various music-making tools and integrates MIDI equipment seamlessly.
Audio Quality Comparison
When it comes to audio quality, the Focusrite Scarlett 4i4 stands out with its impressive 120 dB dynamic range, ensuring that every recording captures the full depth and clarity of sound. The Audient iD4 MKII, while offering high-quality audio, does not specify its dynamic range. However, it does feature a Class A console microphone preamp, which is renowned for enhancing sonic fidelity.
Both interfaces aim to provide professional-grade sound, but the Scarlett 4i4 is equipped with advanced features like Air mode, which can bring vocals and guitars to the forefront of a mix, adding richness to recordings. While the Audient interface is excellent for home recording, the Scarlett 4i4's specifications suggest a more powerful performance suitable for serious musicians and producers.
Connectivity Options
The Audient iD4 MKII offers essential connectivity with its USB-C port, making it easy to plug into modern devices. It includes two headphone outputs, which can be useful for collaborative sessions. However, it doesn't provide MIDI I/O, which may limit its functionality for users looking to integrate MIDI equipment.
On the other hand, the Focusrite Scarlett 4i4 excels in connectivity with its two mic preamps, two Hi-Z instrument inputs, four line inputs, and MIDI I/O. This extensive range of connectivity options allows users to connect multiple devices simultaneously, making it a versatile choice for various recording environments. The added MIDI functionality means musicians can easily connect synthesizers and other MIDI gear, enhancing its utility.
Portability and Design
The Audient iD4 MKII is designed with portability in mind, featuring an all-metal housing that provides durability during travel. Its compact size makes it convenient for musicians who need to record on the go. The easy-to-use USB-C connection simplifies the setup process, allowing for quick plug-and-play functionality.
Conversely, the Focusrite Scarlett 4i4 is also compact but comes with additional accessories, including a set of studio monitor headphones and a pop filter. While it may be slightly bulkier due to its additional inputs and outputs, it still remains portable. The inclusion of these accessories adds value for users looking for a complete recording setup.
Software and Bundled Features
The Audient iD4 MKII does not specify any bundled software, focusing instead on the hardware's quality. However, it is compatible with Mac, PC, and iOS platforms, which offers flexibility for users to choose their preferred recording software.
In contrast, the Focusrite Scarlett 4i4 comes with a comprehensive software bundle, including Pro Tools Artist and Ableton Live Lite, along with Focusrite's Hitmaker Expansion. This software package enhances the value of the Scarlett 4i4, providing users with tools to start recording and producing immediately upon purchase. The inclusion of Auto-Tune Access and other plugins makes it a compelling choice for both beginners and experienced musicians.
Price Comparison
The Audient iD4 MKII is priced at $214.90, making it a cost-effective option for those looking to enter the world of audio interfaces without breaking the bank. In contrast, the Focusrite Scarlett 4i4 is priced at $319.99, which is approximately 49% more expensive. While the Scarlett offers more features, the price difference can be a significant factor for budget-conscious buyers.
For those who require only basic recording capabilities, the Audient iD4 MKII might present a more appealing option. However, for users seeking a more comprehensive interface with advanced features, the investment in the Scarlett 4i4 could be justified.
Which should you buy?
Choosing between the Audient Audio Interface iD4 MKII and the Focusrite Scarlett 4i4 ultimately depends on your specific needs and budget. The Audient iD4 MKII is an excellent option for those seeking high-quality audio in a portable format at a lower price of $214.90. It is ideal for home recording and basic audio tasks.
Conversely, if you require a more versatile interface with extensive connectivity options and bundled software, the Focusrite Scarlett 4i4, priced at $319.99, may be worth the investment. Its additional features cater well to musicians and producers wanting a more comprehensive recording experience.

