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iD4 MKII Manual

iD4 MKII is a 2-in, 2-out USB-C audio interface with an Audient Console Mic Preamp, JFET instrument input, dual headphone connections, monitor controls and audio loopback.

iD4 MKII top control surfaceiD4 MKII front paneliD4 MKII rear panel

What’s in the box​

  • iD4 MKII
  • USB-C to USB-C cable
  • Printed Quick Start Guide

Features​

  • 1 × Audient Console Mic Preamp
  • AD/DA converters
  • 1 × JFET instrument input
  • 2 × line outputs
  • Dual headphone connections
  • ScrollControl
  • Speaker on/off button
  • Monitor Mix and Monitor Pan
  • 48V phantom power over USB
  • USB 3.0 bus-powered operation
  • iOS and iPadOS compatibility
  • Up to 24-bit, 96 kHz operation
  • All-metal construction
  • Audio loopback

Hardware layout​

Top panel​

  • Channel 1 gain control for the mic/line input
  • Channel 2 gain control for the instrument input
  • Monitor Mix control
  • Main meters
  • Volume encoder
  • Mute Speakers button
  • iD button

Rear panel​

  • USB-C connection
  • Left and right speaker outputs
  • +48V phantom-power switch
  • Mic/line input

Front panel​

  • Instrument input
  • 3.5 mm headphone socket
  • 6.35 mm headphone socket