IK Multimedia presents the iRig PRE.
Connecting any type of microphone to any iPhone/iPod touch/ iPad, the pocket-sized iRig PRE is the first microphone preamp designed specifically for iOS devices. The microphone plugs directly into the standard XLR connector of iRig PRE with no need for extra cables or adapters.
On top of this, it also includes 2 free apps, iRig Recorder which is a user-friendly recording/editing app, and VocaLive, which is an effects processing app for singers.
It will be available in early Q2 2012 and is priced at €29.99 excluding tax.
You can read more about the iRig PRE here.