The new iRig HD X guitar interface as arrived. IK Multimedia has been unleashing recording interfaces specifically for guitar players using Mac, iPhone, iPad, and PC for years, and its new portable flagship model has arrived in the form of the iRig HD X. A follow-up to the previously-released iRig HD 2 guitar audio interface, the new HD X amps things up a notch with enhanced specs and an upgraded feature set. The new guitar player-focused I/O box is now available for purchase, and you can get a complete breakdown of what to expect down below.