It looks like IK Multimedia has been pretty busy leading up to the 2012 International CES; it had three brand new iOS-compatible audio products to introduce at this year’s show. iRig Mic Cast ($40) and iRig Mix ($100) are both scheduled to be released this month. The former is a monaural condenser mic specifically made to record speech, and is designed to be especially useful for interviews and podcasts, somewhat unusual given the quality of…