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Audient Audio Interface iD14 MKII, 2 Class-A vs Universal Audio Apollo Solo Heritage Edition, APLS-HE

Updated August 2026 — Audient Audio Interface iD14 MKII, 2 Class-A wins on portability, Universal Audio Apollo Solo Heritage Edition, APLS-HE wins on price and features.

The Audient iD14 MKII offers great value for home recording, while the Apollo Solo Heritage Edition excels in advanced features and sound processing.

Why Audient Audio Interface iD14 MKII, 2 Class-A is better

Price

The iD14 MKII is significantly cheaper.

Portability

The all-metal housing enhances durability.

User-Friendly

USB-C connector simplifies connectivity.

Why Universal Audio Apollo Solo Heritage Edition, APLS-HE is better

Sound Quality

Unison technology provides superior sound emulation.

Software Bundle

Includes $1,300 worth of plug-ins.

Processing Power

UAD SOLO Core Processing allows for real-time tracking.

Overall score

Audient Audio Interface iD14 MKII, 2 Class-A
75
Universal Audio Apollo Solo Heritage Edition, APLS-HE
85

Specifications

SpecAudient Audio Interface iD14 MKII, 2 Class-AUniversal Audio Apollo Solo Heritage Edition, APLS-HE
Preamps2 Class-A2 Unison
ConnectivityUSB-CThunderbolt 3
Weight1250 gUnknown
DAW SupportMac/PC/iOSMac only
Plug-insNone5 award-winning

Dimension comparison

Audient Audio Interface iD14 MKII, 2 Class-AUniversal Audio Apollo Solo Heritage Edition, APLS-HE

Overview of the Audient Audio Interface iD14 MKII

The Audient Audio Interface iD14 MKII is a high-performance audio interface designed for home recording enthusiasts. Priced at $318.40, it is about 47% cheaper than its competitor, the Universal Audio Apollo Solo Heritage Edition. This interface features two Class-A microphone preamps derived from Audient's high-end ASP8024 HE console, promising a harmonious overall sound package for users looking to elevate their recording quality.

The iD14 MKII boasts a USB-C connector, enhancing ease of use and power supply efficiency. The all-metal desktop housing ensures durability, making it a portable option for musicians on the go. Additionally, it comes with a comprehensive package, including a USB C cable and compatibility with Mac, PC, and iOS systems.

Key Features of the Universal Audio Apollo Solo Heritage Edition

The Universal Audio Apollo Solo Heritage Edition is a premium audio interface priced at $599.00. It offers a host of advanced features, including a special bundle of five award-winning plug-in titles that are valued at over $1,300. This makes it an attractive option for users who want to access high-quality sound processing tools right out of the box.

This interface includes UAD SOLO Core Processing, allowing for real-time tracking through vintage compressors and EQs. It also features Unison mic preamp technology that emulates renowned brands like Neve and API. The Apollo Solo is compatible with major DAWs and includes a best-in-class headphone amplifier, ensuring detailed and low-noise monitoring for professional audio creation.

Sound Quality Comparison

When it comes to sound quality, both the Audient iD14 MKII and the Universal Audio Apollo Solo Heritage Edition deliver impressive results, but they target slightly different users. The iD14 MKII’s Class-A preamps provide a rich and warm sound, ideal for home studios looking to achieve high-fidelity recordings without breaking the bank.

On the other hand, the Apollo Solo’s Unison technology allows users to record with emulations of classic gear, making it particularly appealing for those who want to achieve a vintage sound. While the Audient offers excellent sound quality for its price, the Apollo Solo's advanced processing capabilities might justify its higher price point for professional users.

Connectivity and Compatibility

The Audient iD14 MKII features a USB-C connector, which is becoming the standard for modern audio interfaces. This allows for improved power supply and signal integrity, enhancing the overall user experience. It is also compatible with Mac, PC, and iOS devices, ensuring that a wide range of users can benefit from its capabilities.

In contrast, the Universal Audio Apollo Solo Heritage Edition uses Thunderbolt 3 connectivity, which is known for its high-speed data transfer rates. This can be critical for users who need low-latency performance when recording and mixing. Both interfaces are compatible with major DAWs, but the Apollo Solo's integration with the LUNA Recording System adds an extra layer of functionality for Mac users.

Portability and Build Quality

Portability is an important factor for many musicians, and both the Audient iD14 MKII and the Universal Audio Apollo Solo Heritage Edition are built with this in mind. The iD14 MKII has an all-metal desktop housing, which not only provides durability but also makes it easy to transport.

The Apollo Solo, while also portable, benefits from its compact design and bus-powered operation, reducing cable clutter and enhancing its usability in various settings. This means that both interfaces can be easily used in a variety of environments, whether in a home studio or on the road, but the choice may come down to personal preference regarding form factor and weight.

Software and Plugin Bundles

In terms of software offerings, the Apollo Solo Heritage Edition stands out with its inclusion of a premium suite of plug-ins valued at over $1,300. This is a significant advantage for users who appreciate having high-quality processing tools readily available for their projects.

The Audient iD14 MKII, while it does not come bundled with such extensive software, is compatible with various DAWs and supports a wide array of third-party plugins. However, the lack of a substantial software package may be a consideration for users looking for a comprehensive audio production solution right out of the box.

Price Considerations

The Audient iD14 MKII is priced at $318.40, making it a cost-effective choice for those who are looking for quality sound without a hefty investment. In comparison, the Universal Audio Apollo Solo Heritage Edition is priced at $599.00, making it about 47% more expensive than the iD14 MKII. This price difference reflects the additional features and software bundle that come with the Apollo Solo.

For budget-conscious users or those just starting out, the iD14 MKII offers excellent value. However, for professionals or serious hobbyists who can fully utilize the Apollo Solo's advanced capabilities, the investment may be worth it.

Which should you buy?

Choosing between the Audient Audio Interface iD14 MKII and the Universal Audio Apollo Solo Heritage Edition ultimately comes down to your specific needs and budget. If you're looking for a high-quality, budget-friendly option that offers solid performance for home recording, the iD14 MKII is a fantastic choice. Its lower price point and durable design make it accessible for beginners and seasoned musicians alike.

Conversely, if you require top-notch sound quality, advanced processing capabilities, and an extensive software bundle, the Apollo Solo Heritage Edition may be worth the investment. Its premium features and unparalleled sound processing make it a strong contender for professionals seeking the best in audio interfaces.