In the Box Neumann U 87 Ai Condenser Microphone (Nickel) Neumann EA87 - U87 Shock Mount for U87 Microphones (Nickle) Wooden Box Microphone Operating Principle Pressure Gradient Capsule Condenser Polar Pattern Cardioid, Figure-8, Omnidirectional Pattern Selection Switched Pad -10 dB Performance Frequency Range 20 Hz to 20 kHz Maximum SPL 117 dB SPL Impedance 200 Ohms Load Impedance 1000 Ohms Sensitivity 28 mV/Pa at 1 kHz into 1 Kilohms 22 mV/Pa at 1 kHz into 1 Kilohms 20 mV/Pa at 1 kHz into 1 Kilohms Signal-to-Noise Ratio 71 dB CCIR 69 dB CCIR 68 dB CCIR 82 dB A-Weighted 80 dB A-Weighted 79 dB A-Weighted Equivalent Noise Level 23 dB CCIR 25 dB CCIR 26 dB CCIR 12 dB A-Weighted 14 dB A-Weighted 15 dB A-Weighted THD 0.5% Connectivity Output Connectors (Analog) 1 x XLR 3-Pin Power Operating Voltage 48 V ± 4 V Operating Current Consumption 0.8 µA Physical Dimensions ø: 2.2 x L: 7.87" / ø: 55.88 x L: 199.9 mm Weight 1.1 lb / 500 g Packaging Info Package Weight 5.495 lb Box Dimensions (LxWxH) 11.55 x 11.5 x 6.75"