B-Stock, Studio Projects B3 - large diaphragm microphone with 3 polar patterns (cardioid, omni-directional and figure of 8), transformerless circuitry, frequency response: 20Hz-20khz, <200ohm output impedance, 132/142dB SPL (max), 14dBA noise (cardioid). Requires +48V phantom power. Includes foam wind screen, zip bag and shock mount., B-Stock with full warranty, may have slight traces of use