A little bit of my personal opinion about the product Rode PODMIC Dynamic Podcasting Microphone. I did not hear a particularly strong difference from sure sm7b; yes, sm7b has a richer sound, but it is also 3-4 times more expensive Almost all configurations need a preamp - fethead / dynamite / cloudlifter / etc . well, or the interface must be able to do sufficient preamp, for example, a rodecaster