Lewitt MTP 840 DM Operating Principle Dynamic, moving coil Directional Pattern Supercardioid Frequency Range 40 Hz to 18 kHz Sensitivity 3.5 mV / Pa (-49 dBV), passive mode 7 mV / Pa (-43 dBV), active mode 14 mV / Pa (-37 dBV), active mode Signal to Noise Ratio 75 dB-A Equivalent Noise Level 19 dB-A, supercardioid (IEC 61672-1) Dynamic Range Passive Mode: 135 dB-A Active Mode: 121 dB-A, 0 dB gain 115 dB-A, 6 dB gain 109 dB-A, 12 dB gain Max SPL For .5 % THD Active Mode: 140 dB, 0 dB gain 134 dB, 6 dB gain 128 dB, 12 dB gain Gain Active Mode: 0 dB, 6 dB, 12 dB, switchable Bass Cut Filter Slope: 12 dB / octave at 150 Hz 12 dB / octave at 250 Hz Impedance Rated: < 600 Ω Load Impedance Rated: > 1.000 Ω Supply Voltage 48 V +/- 4 V (IEC 61938) Connector Gold plated 3-pin XLR Dimensions (Diam. x H) 2.0 x 7.2" (51 x 183 mm)