Digirig Mobile - Digital Modes Interface for Amateur Radio vs Universal Audio Volt 2 USB Audio Interface
Updated August 2026 — Universal Audio Volt 2 USB Audio Interface leads on sound quality and build quality.
The Digirig Mobile is a cost-effective solution for amateur radio enthusiasts, while the Universal Audio Volt 2 offers superior sound quality for musicians and podcasters.
Why Digirig Mobile - Digital Modes Interface for Amateur Radio is better
Price
Digirig is significantly cheaper at $64.95.
Specialization
Designed specifically for amateur radio.
Portability
Compact and rugged for mobile operations.
Why Universal Audio Volt 2 USB Audio Interface is better
Sound Quality
Volt 2 offers superior audio fidelity.
Versatility
Compatible with a wider range of devices.
Features
Includes vintage mic preamp mode for enhanced recordings.
Overall score
Specifications
| Spec | Digirig Mobile - Digital Modes Interface for Amateur Radio | Universal Audio Volt 2 USB Audio Interface |
|---|---|---|
| Audio Resolution | N/A | 24-bit / 192 kHz |
| Compatibility | Windows, MacOS, Linux | Mac, PC, iPad, iPhone |
| Preamps | N/A | Vintage 610 |
| Sales Rank | 2192 | 2514 |
| User Focus | Amateur Radio | Musicians, Podcasters |
Dimension comparison
Overview
The Digirig Mobile is priced at $64.95, while the Universal Audio Volt 2 comes in at $199.00, making the Digirig about 67% cheaper. Despite this significant price difference, each product serves distinct purposes within the audio interface market, targeting different user needs. The Digirig is designed specifically for amateur radio enthusiasts, whereas the Volt 2 caters to musicians and podcasters looking for high-quality sound recording.
Target Audience
The Digirig Mobile is tailored for amateur radio operators, focusing on digital modes like FT8 and RTTY. It allows users to connect their transceivers via a single USB connection, making it easier to manage their setups. The Volt 2, on the other hand, is aimed at a broader audience, including musicians, podcasters, and livestreamers. Its features are ideal for anyone needing high-quality audio recording and mixing capabilities.
Features and Functionality
In terms of functionality, the Digirig Mobile combines an audio codec, CAT control, and a PTT switch, allowing for full control over transceivers. It works seamlessly across major operating systems like Windows, MacOS, and Linux. The Volt 2 provides a vintage mic preamp mode, delivering rich sound quality backed by 24-bit/192 kHz audio resolution, making it excellent for detailed recording. Both products offer unique functionalities suited to their intended user groups.
Sound Quality
The Digirig Mobile focuses on enabling amateur radio communications, providing clear audio for digital modes and reliable PTT control. However, it's not primarily designed for music production or high-fidelity recording. In contrast, the Volt 2 is engineered for superior sound quality, featuring classic 610 preamps that are designed to capture every nuance of a performance. Users can expect an album-ready sound that is crucial for professional audio production.
Portability
Portability is a strong suit for both interfaces, but they cater to different environments. The Digirig Mobile is small and rugged, making it ideal for mobile operations, especially for amateur radio enthusiasts who often operate in varying locations. The Volt 2 is also portable, supporting recording on Mac, PC, iPad, and iPhone, but it does require an external power supply and an Apple Lightning to USB adapter for complete mobile functionality.
Price and Value
At $64.95, the Digirig Mobile presents exceptional value for amateur radio operators looking for a specialized interface. In contrast, the Volt 2's price of $199.00 may reflect its broader capabilities and higher audio quality, but it is about 67% more expensive than the Digirig. While the Volt 2 could be considered a premium option for musicians, the Digirig offers a cost-effective solution for its niche market.
Customer Feedback
The Digirig Mobile holds a sales rank of 2192, indicating a solid level of interest among users, particularly in the amateur radio community. The Volt 2, with a similar sales rank of 2514, also shows that it is well-regarded among musicians and audio professionals. Customer reviews for both products often highlight their specific strengths, with the Digirig praised for its ease of use in amateur radio setups, whereas the Volt 2 receives compliments for its exceptional sound quality and versatility.
Which should you buy?
Choosing between the Digirig Mobile and the Universal Audio Volt 2 ultimately depends on your specific needs. If you are an amateur radio operator looking for an affordable and specialized interface, the Digirig Mobile at $64.95 is an excellent choice, providing essential features for digital modes. However, if you are a musician or podcaster seeking high-quality sound and versatility for various recording scenarios, the Volt 2, priced at $199.00, would be the better investment. Each product excels in its field, making your decision contingent upon your audio needs and budget.

