Audyssey’s microphone is calibrated for their system alone.\n\nIf you go to the REW homepage, you can learn a little about the program, and they list several microphones that are compatible. Considering it is freeware, it is surprisingly powerful, and John continues to actively update and fine tune it. I emailed a question and he wrote back personally! :)\n\nIf you enjoy the hobby enough to care about the sound quality you experience, this is really a great way to take what you have to the next level. You will learn a lot about your room, your gear, and how to use acoustics to your advantage.\n\nAnd when you do decide to upgrade, you’ll be able to make the best decision... you’ll be smarter than the marketing departments trying to sell you cr@p!!!;)\n\nSo someone doesnt need audyssey with XT32 newest version at all? If he knows to use REV and buy this mic also? Its a total replacement?