The BETA 181/S Compact Side-Address Supercardioid Instrument Microphone from Shure is a durable, small-diaphragm electret condenser microphone with an interchangeable capsule design. The Beta 181/S ships with a supercardioid capsule for snare, acoustic instrument, and close miking applications. The microphone features a wide frequency response and rugged construction, making it ideal for the stage and recording studio. The Shure Beta 181/S Supercardioid Compact Side-Address Instrument Microphone is a durable, small diaphragm, electret condenser microphone with an interchangeable capsule design. The beta 181/s ships with a supercardioid capsule for snare drum, acoustic instrument and minor uses. The microphone features a wide frequency response and rugged construction, making it ideal for stage studio and recording applications..PZA MORE SPECS