Immersive sound for expressive players. The Shure PGA81 Cardioid Condenser Instrument Microphone hears every last detail. Built for acoustic instruments youll capture the nuances that give guitars pianos and percussion their unique character. The PGA81s lightweight diaphragm responds to those subtleties we love to hear. From delicate fingerpicking to the shimmer of a cymbal. You can preserve it all with precision. Timeless sound meets timeless quality. The PGA81 is built to last undergoing Shures famous testing regime. The results are obvious - flawless performance for years to come.