Type : Condenser Microphone Output Impedance at 1kHz : 2 kΩ, unbalanced Frequency Range : 70-20.000 Hz (-20dB below sensitivity at 1kHz) Output Level Output at 1kHz : -61.5dB (0.82mV) Cable : Type Shield wire 1 x 7/0. 16mm (black); Length : 7m Dimension : 38(W) x 89.5(H) x 19(D) Weight : 131 g Power source : 1 Pcs battery “AA” (R6S or UM-3U)