The Audient iD4 MKII is a compact 2-in/2-out USB audio interface designed for musicians, producers, and podcasters who demand professional sound quality in a portable format. Featuring Audient’s renowned console-grade mic preamp, class-leading converters, and intuitive ScrollControl functionality, it delivers studio-quality performance with ease of use. Its rugged build and bus-powered design make it an ideal choice for both home and mobile recording setups. Key features Inputs/Outputs 2-in / 2-out USB-C interface Mic preamp 1 Audient console-grade preamp with 58dB gain range Instrument input JFET instrument input for guitar/bass Converters High-performance 24-bit / 96kHz converters Headphone outputs Dual headphone outputs (1/4” jack & 3.5mm) ScrollControl Use the volume knob to control DAW parameters Monitor mix Blend inputs and DAW playback for zero-latency monitoring Connectivity USB-C bus powered, balanced speaker outputs Dimensions 133 × 120 × 40 mm Weight 0.6 kg Included Accessories USB-C cable User manual Included Software EVO Control software for remote management Audient ARC software bundle (including Cubase LE, Cubasis LE, and plugins) Firmware update utility