Audient Audio Interface iD4 MKII vs Universal Audio Volt 2 USB Audio

Design and build quality

The Audient iD4 MKII features an all-metal desktop housing designed to provide stability and durability. This construction allows the unit to be transported easily while maintaining structural integrity. The dimensions are specified at 133x120x40.7 mm, with a total weight of 740 g. In contrast, the Universal Audio Volt 2 USB Audio does not specify housing material or physical dimensions in the provided data. The Audient unit explicitly markets its build for longevity and use on the move.

Connectivity and ports

Connectivity options differ between the two interfaces. The Audient iD4 MKII utilizes a high-speed USB-C connector. This modern connection standard aims to simplify handling and improve power supply efficiency, reducing the need for multiple cable types. A 1m USB C cable is included in the scope of delivery. The Universal Audio Volt 2 is described as a USB Audio interface. For mobile use with iPhones, it requires an Apple Lightning to USB Camera Adapter, except for iPads equipped with USB-C. External power supply may be required for certain configurations.

Audio performance and resolution

Audio resolution specifications are highlighted differently across the products. The Universal Audio Volt 2 explicitly supports capture quality up to 24-bit / 192 kHz. This specification suggests high fidelity for recording details and nuances of a performance. The provided data for the Audient iD4 MKII does not list specific bit depth or sample rate numbers. Both units aim to deliver high-quality sonic performance suitable for home recording environments.

Preamp technology

Both audio interfaces utilize specialized preamplifier technology derived from professional console designs. The Audient iD4 MKII incorporates a Class-A microphone preamplifier based on Audient's high-end ASP8024 HE console. This technology is intended to bring home recording to a higher sonic level. The Universal Audio Volt 2 features a Vintage mode designed to emulate the rich sound of UA's classic 610 preamps. Both approaches offer users access to industry-standard preamp characteristics.

Software and ecosystem

The software bundle represents a significant difference between the two options. The Universal Audio Volt 2 includes access to the award-winning LUNA Digital Audio Workstation. This software provides the workflow and sound of an analog studio. Users also gain access to UAD plug-ins and instruments trusted by industry professionals. Additionally, tutorials are available for users ranging from beginners to advanced levels. The provided data for the Audient iD4 MKII does not list included software packages or DAW bundles.

Compatibility and operating systems

Operating system compatibility is broad for both devices. The Audient iD4 MKII is compatible with Mac, PC, and iOS systems. The Universal Audio Volt 2 supports MacOS, Windows, iPad, and iPhone running iOS 14 or higher. This allows for recording on laptops, desktops, and mobile devices. The Volt 2 specifies iOS 14+ support, whereas the Audient unit lists iOS compatibility generally. Both units enable flexible recording setups across different platforms.

Price and value

Pricing structures vary between the two audio interfaces. The Audient iD4 MKII is listed at $214.90. The Universal Audio Volt 2 USB Audio is priced at $199.00. The Volt 2 offers a lower entry price while including significant software value such as the LUNA DAW and UAD plug-ins. The Audient iD4 MKII commands a higher price point, potentially reflecting its metal construction and specific hardware specifications. Value assessment depends on whether the user prioritizes hardware build or software inclusion.

Which one should you buy?

Choosing between these interfaces depends on specific user requirements. If physical durability and explicit hardware dimensions are priorities, the Audient iD4 MKII is the suitable choice due to its all-metal housing and known weight of 740 g. If software value and audio resolution specs are more important, the Universal Audio Volt 2 is the better option. It offers 24-bit / 192 kHz quality and a comprehensive software bundle at a lower price of $199.00. Users needing extensive mobile compatibility may also prefer the Volt 2 for its detailed iOS support.