The iRig Pro Duo I/O is a portable 2-channel audio interface and USB soundcard designed for music production, recording, and streaming across mobile devices and computers. It connects to iPhone, iPad, Android, Mac, and PC using included USB-C, USB, and Lightning cables, making it suitable for laptop, tablet, or studio setups. The interface features dual combo XLR/TRS inputs with Class-A mic preamps and 48V phantom power, allowing connection of microphones, guitar, bass, keyboards, and other instruments for stereo or multi track recording. It includes balanced TRS outputs and a headphone jack with independent level control, along with selectable direct monitoring for zero latency or processed audio playback. Built-in MIDI input and output support controllers and external gear for music production and live setups. The unit can be powered by USB, AA batteries, or an optional external supply, supporting portable and home recording workflows.