Warm Audio WA-251, Large Diaphragm Tube Condensor Microphone, Switchable polar pattern: Cardioid, omnidirectional and figure-eight, Dynamic range: 125 dB A, Peak SPL: 132 dB (<0.5% THD), Frequency range: 20 - 20,000 Hz, Output impedance: 200 Ohm, Signal / noise ratio: 80 dB (A), Inherent noise: 12 dB A (IEC651), CineMag USA output transformer, External IEC-grounded power supply, Includes: Microphone, power adapter, spider, cable (microphone to power adapter), Dimensions (Ø x H): 247 x 46 mm