Andrea C1-1019800-1 Model ARRAY-2S SoundMAX Superbeam Array Microphone with 3.5 mm Connector, Two Unidirectional Microphones with Individual Channels to a Stereo Output Two unidirectional microphones with individual channels to a stereo output 12" - 48" Recommended operating distance Beamforming technology eliminates background noise for clear, crisp sound transmission Far-field speech recognition with the accuracy of a close talking microphone Small and compact for mounting on a desktop computer monitor