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The IMB & IMBL Boundary Layer Microphones provide a pristine sounding microphone solution for permanent installations when a low profile is of the utmost importance. Featuring a flat frequency response and patented polar technology, orators will maintain the same intelligibility throughout the room without a loss of high frequencies.
Only 1.4375 inch (3.6cm) in diameter
Available in black, white or silver finish
True Semisphere™ polar pattern
30kHz flat frequency response
More gain before feedback
Near perfect polar pattern
Primary applications include teleconferencing, distance learning, surveillance, boardrooms, government facilities, and ambient room miking.
http://www.earthworksaudio.com/microphones/installation-series/imbl30-imb30/
