Shure Beta 181/BI, Compact Small Diaphragm Condenser Microphone, Wth interchangeable capsules for all types of instrument pickup, Lateral recording for unobtrusive placement, Polar pattern: Figure-8, Frequency range: 20 - 20,000 Hz, Max. Sound pressure: 153.5 dB SPL, Optionally all capsules available separately, Includes microphone clip (A57F), windscreen (A181WS) and a carrying bag (A181C)