apple ios digital preamp/interface

iaudiointerface2 - AudioControl Industrial (AudioControl)

A state of the art, Made for iPod, microphone preamp, iAI2 is the perfect companion for AudioTools and the Transfer Function module, for loudspeaker testing, and as a general-purpose audio tester. It also works with many iOS audio Apps, including Garageband, Skype, SignalScope, Mulit-Track Recorder, and more.