Element = wide Dual condenser box pattern = Cardioid / Figure 8 / Omni selectable frequency range = 20 Hz ~ 20 KHzEmpedans = ≥ 200 Ω ( 1KHz )natural noise = ≥ 20dB (a)sensitivity=-39 dB ± 2 dB ( 0dB = 1V/ µbar 1kHz )Max. SPL = 134dB (@1kHz ≤%1 THD)sizes = Ø54. 5 x 195 mm