Audient iD4 MKII USB-C Audio Interface 2-in/2-out

92 out of 100. Incorporating 1100+ ratings and reviews.

Gearank Recommended



  • Top tier preamps with spectacular transparency and dynamic range
  • Audiophile-grade 600Ω headphone amplifiers
  • Up to date USB type-C connection
  • Large volume knob assignable to DAW control

Audient built on the popularity of their original iD4 compact audio interface by releasing a MKII version.

Audient’s ASP8024-HE console preamp makes an appearance on this small, but powerful audio interface. Having preamps like this built-into the audio interface is a great way to have better audio quality going in.

The large volume knob can also be assigned as a one-knob DAW controller. This makes it convenient to make fader movements and add adds a tactile mixing experience akin to a dedicated 1-fader DAW controller.

Besides the speaker outs, two audiophile-grade 600 Ohm headphone amplifiers with dual independent outputs (1/4″ and 1/8″) round out the latency free monitoring options.

A USB-C connection ensures the stock iD4 MKII’s compatibility going into the future. This ensured that there is no more need for extra adapters.

One cannot help but praise the quality of the preamps with transparency and preservation of the dynamics as its best qualities. Headphone amplification is unusually performant as well having the ability to drive high impedance headphones like the Sennheiser HD 600 with ease.

The Audient iD4 MKII has top tier features packed in a sub $200 interface. If you’re looking for a great interface with great converters and headphone amplifiers, this is a good option.

Tech Specs

  • A/D Resolution: up to 24-bit/192kHz
  • Preamp: 2
  • Channels: 2
  • Inputs: 1 x 1/4″ (instrument), 1 x XLR-1/4″ combo (mic/line)
  • Outputs: 2 x 1/4″ (L/R)
  • MIDI: None
  • Power: USB bus powered
  • Phantom Power: +48V
  • Bundled Software: ARC software suite

Rating Source Highlights

Website Source *Rating Value
Production Expert James Ivey 100/100
MusicRadar Jon Musgrave 90/100
Produce Like A Pro Editor 96/100
*Displayed values are prior to the Gearank Algorithm’s adjustments it makes when evaluating the source.

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