Audient iD4 MKII
Usb Audio Interfaces

iD4 MKII

Audient

Released Mar 1, 2021 · Analysis updated Mar 26, 2026

Audient iD4 MKII offers superior sound quality and a user-friendly experience with its robust build and loopback function. The Audient iD4 MKII scores 84/100 based on 5 expert reviews in the usb audio interfaces category. Coverage includes reviews from Musictech, Soundonsound, Guitarworld, and Thehomestudio.

Critic Score

What's this?
84

based on 5 expert reviews

MusictechSoundonsoundGuitarworldThehomestudioMusicradar

Low confidence · only 5 reviews

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Pros

  • Great sound quality(4)
  • Easy to use(3)
  • Premium build quality(2)
  • Improved dynamic range(2)
  • Loopback function(2)

Cons

  • Limited line input(2)
  • Requires USB 3.0(2)

5 Publication Reviews

85
Established publication03/2021

AI summary of this review

The Audient iD4 and iD14 MKII audio interfaces offer improved performance with better converters, USB-C connectivity, and useful features like loopback for streaming, making them excellent choices for...

Score estimated from the review text

85
Independent publication06/2021

AI summary of this review

This is a smart-looking update to the very capable iD4 and iD14 audio interfaces that bring them bang up to date.

Score estimated from the review text

85
Independent publication02/2024

AI summary of this review

For a shade under $200, the Audient iD4 MkII offers guitarists a quick, simple way to get a high-quality signal into their amp simulator of choice.

Score estimated from the review text

85
Independent publication08/2025

AI summary of this review

Audient's iD4 MKII nails the fundamentals with unusually high-end sonics and a guitarist-approved DI in a compact, bus-powered package.

Score estimated from the review text

82
Independent publication09/2021

AI summary of this review

The iD4 provides a solid uplift on its predecessor and although the feature set is pretty basic, there’s quality where it counts.

Score estimated from the review text