The GNM-370 gooseneck microphone is ideal for podium or lectern miking, and the single flex gooseneck allows for unobtrusive and accurate positioning. 3 Pin XLRM-Type plug base Single flex gooseneck microphone Plugs into any standard 3 pin XLRF-type connector Supplied with foam windscreen & shock mount base Element: Back Electret – Condenser Max. SPL: 143dB, 1kHz @ 1% T.H.D. Dynamic Range: 116dB, 1kHz @ Max. SPL S/N Ratio: 72dB, 1kHz @ 1Pa Low Frequency Roll-Off: 180Hz, 12dB/octave Phantom Power Requirements: 11-52V DC Phantom Head Diameter: 13mm?