Here's how you use it: Take the microphone you use every day on stage or in the studio and plug it into your iOS device. It's that simple. Need Phantom Power? Flip the "Phantom Power" switch. Congratulations, you've just become a professional user. This is perhaps the most important product introduction for musicians and the rest of the civilised world since the iPod and iPad. 

Now, thanks to the iRig Pre, you can hook your favourite microphone to your iOS device and join the mobile music revolution. Create music any time, anywhere with your own high quality microphones on your iPhone, iPod touch or iPad.