What is it? A high-quality, battery-powered universal audio/MIDI interface iPads, iPhone, iPad, iPod Touch and Macs. Details Small enough to fit in the pocket, iRig PRO provides connections for microphones, instruments, line-level sources or MIDI controllers to iOS devices or Macs using (supplied) Lightning, 30-pin and USB cables. A MIDI cable with a standard MIDI jack is also provided to connect a wide range of MIDI-compatible keyboards and controllers. iRig PRO is class compliant and compatible with Core Audio and Core MIDI for true ‘plug-and-play’ performance with any audio and MIDI processing apps for iOS and Mac OS without additional hardware/software. iRig PRO features a high-quality 1/4"-XLR combo input connector for connection through standard XLR cables, 1/4"mono line or instrument signal cables, and a switchable 48V phantom power supply for use with studio condenser microphones. It features an ultra-low-noise, high-definition microphone/line preamp, a high-quality 24-bit A/D converter, gain control plus LED indicators for device status, MIDI, phantom power and signal level. And another thing... iRig PRO is supplied with a suite of IK’s music-creation apps including AmpliTube, VocaLive, SampleTank, iGrand and iRig Recorder, and is compatible with most audio and MIDI processing apps.