By Nate Adcock
IK Multimedia, maker of many things for the mobile musician, has released a new audio gadget, called the iRig Pro DUO. The normal iRig Pro model, which is plenty cool by the way, does have one minor limitation. You can connect a mic or a guitar, but not both. The iRig Pro DUO ($199 MSRP) addresses this with dual input/output channels that allow you to jam out, record, and mix music from vocals and instrument on your iPad, and it has a few other worthy tricks thrown in for good measure.