http://auphonix.com/bestfilter Microphones are built to acquire sounds. So if a swift blast of air hits it, it gets noticed, too and brings about popping sounds. Plosives including the letters P, B, T and D are most normally the contributors to these pops. A pop filter operates by breaking up a blast of air in order that what arrives at the microphone isn’t too much for it to take. Consequently, you get clearer and cleaner vocal recording.