The Heil PR 30 represents completely new dynamic microphone technology designed for a wide range of professional applications such as sophisticated recording, live sound, and commercial broadcast. Its smooth, wide frequency range sounds like a ribbon but can withstand large amounts of SPL. Outperforming the tired, 30 year old technology of the industry, the large diameter of the PR 30's dynamic element produces an outstanding upper mid range that makes the PR 30 the absolute best guitar microphone...