Nearity A40 Ceiling Array Microphone. The A40 from Nearity is an elegant conference microphone array featuring sophisticated AI deep learning algorithms designed to reduce noise and deliver clear, intelligible speech for meeting spaces, classrooms, and educational environments. The unit is equipped with an 24-element microphone array that picks up audio at a distance up to 26' away. Sophisticated beamforming technology provides 8 sidelobes that can be customized, according to different room layouts and seating arrangements to block noises out and effectively capture sound in fixed directions. The A40 features two RJ45 ports, allowing it to easily interface with networked PoE conference systems. Use the free Nearsync software download for Windows and Mac computers to set up and adjust the unit.