Digirig Mobile - Digital Modes Interface for Amateur Radio vs Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface
Updated August 2026 — Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface leads on ease of use and audio quality.
The Digirig Mobile is an affordable choice for amateur radio enthusiasts, while the Focusrite Scarlett 4i4 offers superior audio quality and versatility for professional use.
Why Digirig Mobile - Digital Modes Interface for Amateur Radio is better
Price
Digirig Mobile is significantly cheaper at $64.95.
Simplicity
Easier setup for amateur radio applications.
Portability
Compact and rugged design for mobile use.
Why Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface is better
Audio Quality
Focusrite Scarlett 4i4 has a 120dB dynamic range.
Features
More extensive features for recording and mixing.
Brand Reputation
Focusrite is well-regarded in the professional audio industry.
Overall score
Specifications
| Spec | Digirig Mobile - Digital Modes Interface for Amateur Radio | Kellards Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface |
|---|---|---|
| Dynamic Range | N/A | 120dB |
| Inputs | 1 USB | 2 Mic, 4 Line |
| Outputs | 1 USB | 4 Line |
| MIDI I/O | No | Yes |
| Compatibility | Windows, Mac, Linux | Windows, Mac |
Dimension comparison
Price Comparison
The Digirig Mobile is priced at $64.95, while the Focusrite Scarlett 4i4 USB-C Audio/MIDI Interface is significantly more expensive at $319.99. This makes the Digirig Mobile about 80% cheaper than the Focusrite model, appealing to those on a tighter budget who still need a capable interface for amateur radio applications. The stark price difference indicates that the Digirig Mobile may be more suitable for hobbyists or casual users, while the Focusrite Scarlett 4i4 targets serious musicians and content creators willing to invest in premium audio quality.
Target Audience
The Digirig Mobile is designed for amateur radio enthusiasts, offering features tailored to this niche market, such as CAT control and PTT switch capabilities. In contrast, the Focusrite Scarlett 4i4 caters to a broader audience, including musicians, podcasters, and content creators. It provides studio-quality sound and accommodates a variety of audio gear, making it more versatile for users who engage in recording, mixing, and live performances. Thus, while the Digirig Mobile excels in specialized applications, the Focusrite Scarlett 4i4 is better suited for multi-faceted audio production needs.
Audio Quality
When it comes to audio quality, the Focusrite Scarlett 4i4 stands out with its impressive 120dB dynamic range and high-resolution 24-bit/192 kHz AD/DA converters, matching professional studio standards. The Digirig Mobile, although not explicitly rated for dynamic range, is designed to handle audio for various digital modes in amateur radio. While it provides reliable audio performance for its intended use, it does not compete with the studio-quality sound of the Scarlett 4i4, making the latter a better choice for those prioritizing high-fidelity recordings.
Features and Functionality
The Digirig Mobile combines several essential features into a compact unit, including audio codec, CAT control, and a PTT switch, all functioning through a single USB connection. It also supports multiple digital modes like FT8 and RTTY. Conversely, the Focusrite Scarlett 4i4 offers two Scarlett 4th Gen mic preamps, multiple line inputs and outputs, and MIDI I/O, enabling seamless integration with various audio equipment. It also includes features like Auto Gain and Clip Safe to enhance recording quality. While both products offer unique functionalities, the Focusrite Scarlett 4i4 provides a more extensive array of features suited for diverse audio applications.
Ease of Use
The Digirig Mobile is straightforward to set up, requiring minimal cables and offering backward compatibility with earlier revisions. Its design focuses on convenience for amateur radio users who may not be tech-savvy. On the other hand, the Focusrite Scarlett 4i4 is also user-friendly, featuring an intuitive interface that allows users to quickly connect their gear and start recording. Additionally, it comes with a complete recording toolkit that includes software for various audio production tasks. Overall, both products prioritize ease of use, but the Digirig Mobile might appeal more to those who prefer simplicity in amateur radio operations.
Build Quality
The Digirig Mobile is housed in a small, rugged aluminum enclosure, making it suitable for mobile operations where durability is essential. In contrast, the Focusrite Scarlett 4i4 is designed with a professional appearance and robust build quality, suitable for studio environments. While both products exhibit good build quality, the Digirig Mobile's portable design may be more appealing to users who need a reliable interface for field operations. The Focusrite Scarlett 4i4, however, is built to withstand the rigors of studio and live environments, making it a strong contender for serious audio professionals.
Brand Reputation
Digirig is recognized within the amateur radio community for producing specialized equipment that meets the needs of radio enthusiasts. The Digirig Mobile has a sales rank of 2192, indicating a solid standing among its user base. Focusrite, on the other hand, boasts a long-standing reputation in the professional audio industry, with the Scarlett series being particularly well-regarded. The Scarlett 4i4 currently holds a sales rank of 11822, reflecting its popularity among musicians and content creators. Brand reputation plays a significant role in consumer choice, with Focusrite's established name offering a sense of reliability and quality assurance.
Which should you buy?
Choosing between the Digirig Mobile and the Focusrite Scarlett 4i4 ultimately depends on your specific needs. If you are an amateur radio enthusiast looking for an affordable interface focused on digital modes, the Digirig Mobile at $64.95 is a compelling choice. However, if you require a versatile audio interface that supports high-quality recording and a wide range of audio applications, the Focusrite Scarlett 4i4, priced at $319.99, is worth the investment. Consider what features matter most to you, and weigh the price against your intended use to make the best decision.

