Neumann Kmr 81 I. Type: Stage/performance, Microphone frequency: 20 - 20000 Hz, Microphone input impedance: 150 Ом. Connectivity technology: Wired, Connector(s): XLR3F. Microphone dimensions (D x H): 21 x 226 mm, Microphone weight: 145 g. Current consumption: 0.8 mA. Colour of product: Nickel