The AKG PCC130 is a low profile boundary layer microphone, designed to sit unobtrusively on a table and pick up voices even from a distance. From the Manufacturer: The PCC130 and the PCC130 SW are cardioid boundary layer microphones of professional quality that, due to their small size, fit perfectly on small tables. Thanks to low self-noise and very high sensitivity, the microphone picks up even distant voices clearly and naturally. A bass-tilt switch allows the user to tailor the low-end response and reduce subsonic noise. The PCC130 SW has a silent-operating programmable membrane switch that can be configured for touch on/off, momentary on or momentary off. A high-intensity LED lights when the unit is on. For easy installation, both microphones offer an XLR connector and a detachable cable. Features: Cardioid polar pattern: Reduces background noise and feedback PCCâ {Phase Coherent Cardioidâ technology): For optimum speech intelligibility Three-position bass-tilt switch: For optimized suppression of subsonic noise Silent-operating on/off switch (PCC130 SW only): To reduce the number of simultaneously open mics Detachable cable: Easy to install and service Specifications: Audio frequency bandwidth: 50 - 20000 Hz Equivalent noise level: 22 dB-A Sensitivity: 22 mV/Pa Signal to Noise: 72 dB-A Dimensions Length: 89 mm Width: 64 mm Height: 25 mm Design Finish: satin black Audio Output Type: Switchcraft TB3M Gender: Male Contacts: 3-pin Powering Interface Voltage: 12 to 48 V Application: Conferencing Device: Boundary Layer Microphone