Acoustical operating principle: Pressure gradient transducer, externally polarized Transducer Ø: 25 mm, 1 in Polar pattern: Cardioid Sensitivity: 41 mV/Pa, -28 dBV/Pa Self-noise: 4 dB (A) Max. SPL for 0.5 % THD: 136 dBSPL, 0 dB attenuation Signal / noise ratio: 90 dB (A) Dynamic range: 132 dB (A) Pre-attenuation pad: 0 dB, -6 dB, -12 dB Low-cut filter: linear, 80 Hz (6 dB/oct), 160 Hz (6 dB/oct) Internal impedance: 68 Ω Supply voltage: 48 V ± 4 V Current consumption: 3.6 mA  Mic enclosure: Zinc die cast Connector: Gold-plated 3-pin XLR Microphone dimensions: 158 x 52 x 36 mm, 6.22 x 2.04 x 1.42 in Microphone net weight: 371 g