The Saramonic SmartRig + Di is a two-channel audio interface that lets you connect professional microphones or guitars to your iPhone, iPad and iPod touch. With a Lightning connector output, the interface can be used to record stereo sound or music to your iOS portable device. The SmartRig + Di provides 48 V phantom power for condenser microphones and is equipped with two XLR, two 1/8 "and two 1/4″ inputs, as well as a 1/8" headphone output for real-time listening. Gain control knobs are also present to easily set levels for each channel separately.