Audient Audio Interface iD4 MKII, Class A Console vs Synido Portable Guitar Audio Interface with USB-C
Updated August 2026 — Audient Audio Interface iD4 MKII, Class A Console wins on audio and features, Synido Portable Guitar Audio Interface with USB-C wins on price and user-friendlines.
The Audient iD4 MKII offers superior audio quality and advanced features, making it ideal for professionals, while the Synido is a budget-friendly option for casual users.
Why Audient Audio Interface iD4 MKII, Class A Console is better
Audio Quality
Class A preamp provides superior sound fidelity
Build Quality
All-metal housing ensures durability
Advanced Features
Includes monitor mix and panning functions
Why Synido Portable Guitar Audio Interface with USB-C is better
Price
Significantly more affordable
Portability
Compact design for easy transport
User-Friendly
Plug-and-play setup for beginners
Overall score
Specifications
| Spec | Audient Audio Interface iD4 MKII, Class A Console | Synido Portable Guitar Audio Interface with USB-C |
|---|---|---|
| Resolution | 24-bit/96kHz | 24-bit/48kHz |
| Inputs | 1 Mic, 1 Instrument | 1 Instrument |
| Outputs | 2 Headphone | 1 Headphone |
| USB Type | USB-C | USB-C |
| Weight | 740g | 200g |
Dimension comparison
Price Comparison
When it comes to price, the Synido Portable Guitar Audio Interface is significantly more budget-friendly, priced at $45.99 compared to the Audient Audio Interface iD4 MKII, which retails for $214.90. This makes the Synido about 79% cheaper than the Audient model. While the lower price of the Synido makes it appealing for those on a budget, the Audient’s higher price reflects its advanced features and capabilities, catering to more serious audio professionals and home studio enthusiasts.
Build Quality and Design
In terms of build quality, the Audient iD4 MKII is designed with an all-metal desktop housing that ensures stability and durability, which is essential for mobile recording situations. This robust construction makes it suitable for long-term use and transport. On the other hand, the Synido audio interface features a sturdy aluminum alloy body, which is also portable and durable. However, the Audient's reputation for high-end equipment enhances its standing in the build quality category, making it a reliable choice for serious users.
Audio Performance
The Audient iD4 MKII boasts a Class A console microphone preamplifier, which is derived from Audient's high-end ASP8024 HE console. This technology elevates home recording to a professional level, ensuring high sonic quality. In contrast, the Synido interface delivers 24-bit/48kHz resolution, which is also commendable, but the Audient's premium components likely provide superior audio fidelity. For users seeking professional-grade sound, the Audient may be the better option.
Connectivity Options
Connectivity is crucial for any audio interface, and both models offer USB-C technology. The Audient iD4 MKII features a high-speed USB-C connector that simplifies handling and improves power supply management. Meanwhile, the Synido interface also utilizes a secure buckle-design USB-C connector, ensuring a stable connection during recording sessions. While both options are modern and efficient, the Audient's additional features, like monitor mix and panning functions, provide more versatility for complex setups.
User-Friendliness
Both audio interfaces are designed with user experience in mind. The Synido interface offers a plug-and-play experience, which simplifies the setup process, making it ideal for users who may not have extensive technical knowledge. It also features two independent volume knobs for precise control over input and monitoring levels. The Audient iD4 MKII, while slightly more complex due to its advanced features, provides a streamlined interface for users familiar with audio production. Each model is user-friendly in its own right, catering to different skill levels.
Target User Base
The target audience for each audio interface differs significantly. The Audient iD4 MKII, with its higher price point and advanced features, is aimed at serious musicians, audio engineers, and home studio owners who demand high-quality sound and professional features. Conversely, the Synido Portable Guitar Audio Interface is tailored for amateur musicians, DJs, and streamers looking for a compact solution at a lower price. This makes the Synido ideal for casual users or those just starting in audio recording.
Additional Features
When it comes to additional features, the Audient iD4 MKII offers a monitor mix and panning function, along with two headphone outputs, enhancing its usability for collaborative sessions and detailed monitoring. The Synido interface, however, provides unique features like seamless integration with wireless backing tracks, allowing users to stream accompaniments directly from a phone. This feature is particularly beneficial for live performances and practice. Each interface has its distinctive features that cater to different user needs.
Which should you buy?
Deciding between the Audient iD4 MKII and the Synido Portable Guitar Audio Interface ultimately depends on your specific needs and budget. If you're a serious musician or audio professional seeking high-quality sound and advanced features, the Audient iD4 MKII is worth the investment, despite its higher price of $214.90. However, if you're a casual user looking for an affordable option that still delivers decent audio quality, the Synido at $45.99 is an excellent choice. Both interfaces excel in different areas, making them suited for their respective target audiences.

