The Audio-Technica PRO 42 Miniature Cardioid Condenser Boundary Microphone features a low-profile design for surface-mount use in boardroom, school, government, house of worship and other installed applications.Designed for sound reinforcement, broadcasting and recording applications, the PRO 42 delivers crisp, intelligibleaudio reproduction. With a wide-range condenser element and low-mass diaphragm for superior performance, the microphone is equipped with self-contained electronics, eliminating the need for external power modules. Very low-profile design for minimum visibility Wide-range condenser element with low-mass diaphragm for superior performance Uniform polar pattern for maximum rejection of unwanted sounds Rugged design and construction 25′ (7.6 m) cable permanently attached between microphone and XLRM-type connector