HiFiRated
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Audient · audio-interfaces
Audient iD4 MkII
The iD4 MkII uses a console-class preamp from Audient's professional mixing desk range in a compact USB interface — a meaningful sonic upgrade over the Focusrite class at a similar price. Single preamp limits it to solo recording setups but the hardware quality is unmatched at $179.
Quick Answer
- Is the Audient iD4 MkII worth buying in 2026?
Reviewers universally praise the iD4 MkII for its ultra-low noise preamps, sturdy metal chassis, and class-leading technical specifications that rival much more expensive units. While the shared volume control and lack of input metering are minor workflow annoyances, the sheer au
+Pros
- Ultra-low noise, transparent Class-A mic preamps
- Sturdy, all-metal housing and premium build quality
- True +48V phantom power delivered entirely via USB-C bus power
- Dual headphone outputs capable of driving high-impedance headphones
- Excellent objective technical specifications that punch above its price class
−Cons
- Cannot individually control main output and headphone volume simultaneously
- Level meter does not accurately show input level or clipping
- Gain knob ramps up too quickly at the higher settings
- The iD button lacks functionality when used with iOS devices
In-depth Review
Audient iD4 MkII Review — An affordable underdog interface proves that you don't need to spend a fortune to get mathematically transparent, console-grade audio
Specifications
| inputs | 1× XLR/TRS combo (console-class preamp), 1× instrument (Hi-Z) |
| outputs | 2× TRS, 1× headphone (class-A amp) |
| preamps | 1 (console-class) |
| bit depth | 24-bit |
| sample rate | 96 kHz |
| connection | USB-C |
| bus powered | true |
| phantom power | 48V |
Why This Audio Interface
The iD4 MkII uses a console-class preamp from Audient's professional mixing desk range in a compact USB interface — a meaningful sonic upgrade over the Focusrite class at a similar price. Single preamp limits it to solo recording setups but the hardware quality is unmatched at $179.
Key Specs
| Spec | Value |
|---|---|
| Inputs | 1× XLR/TRS combo (console-class preamp), 1× instrument (Hi-Z) |
| Outputs | 2× TRS, 1× headphone (class-A amp) |
| Preamps | 1 (console-class) |
| Bit Depth | 24-bit |
| Sample Rate | 96 kHz |
| Connection | USB-C |
| Bus Powered | true |
| Phantom Power | 48V |
Who It's For
This audio interface is recommended for listeners and engineers who prioritize its core strengths. Check the specs and community quotes below to confirm it matches your use case and source chain before purchasing.
Community Signal
Selection draws from r/audiophile, r/headphones, r/homerecording, and r/audioengineering consensus plus YouTube reviewer consensus from channels including Z Reviews, In The Mix, Julian Krause, and Cheap Audio Man. Every cited rating reflects a real, linkable source.
What Real Users Say
“iD4 preamp is genuinely better than a Scarlett Solo. If you're doing one mic, this is the move.”
— u/preamp_quality_matters in r/homerecording
Last updated: May 2, 2026 · By Jordan Kim
