I am going to say that the iRig PRO from IK Multimedia is not really for me, but this is not because it is an inferior product. In all honesty, the all-in-one audio/MIDI interface for iPhone, iPad, and Mac is a very superior product.
If you are not a musician, you might not need the iRig PRO. As it is, if you ever want a compact portable interface for your iDevice to a guitar, bass, keyboard, and MIDI controller for playing, practicing, or recording on the go, then the iRig PRO is for you. The iRig PRO can be used with XLR microphones and has a XLR/1/4″ combo jack for connecting microphones and instruments. Just to let you know, the unit is ultra-portable as it comes with 3 connector cables including Lightning, 30-pin, and USB.
You might notice the simplicity of the control, and you are right. It is essentially an input gain control knob, and there is a serious elimination of noise with a new high-definition preamp design.
Of course, what is a device like this without some sort of free app. The AmpliTube app includes 4 exclusive gear models in order to create a personal recording studio. Other apps are VocaLive, SampleTank, and iGrand Piano, and they are free.
If you are interested in this, head on over to the IK Multimedia web site and lay down $149.99 for it.