The CGN99 C/S is a compact condenser gooseneck microphone with a cardioid polar pattern, designed for clear speech capture in fixed or portable installations. Its flexible 30cm gooseneck and wide pickup tolerance make it ideal for conferences, lecterns, and public speaking applications. From The Manufacturer: The CGN99 C/S and CGN99 C/L, part of the DAC Series, are condenser gooseneck microphones with a cardioid polar pattern. They are specially designed for inexperienced speakers who talk into the microphone from widely varying angles. The rugged gooseneck is available in two different lengths (C/S - 30cm (12in); C/L - 50cm (20in) and ideal for fixed and mobile installations. Features: Compact Cardioid Polar Pattern 30cm Gooseneck Length Specification: Audio frequency bandwidth 70 - 18000 Hz Equivalent noise level 21 dB-A Signal to Noise 73 dB-A Bass cut filter 250 Hz Electrical impedance 600 Ohms Recommended load impedance 2000 Ohms Polar Pattern Cardioid Height 380 mm Diameter 13.5 mm Net Weight 160 g Finish matte black Audio Output Balanced XLR Gender Male Contacts 3-pin Voltage 9 to 52 V Current 3 mA