Dynamic Uni-directional Microphone Impedance: 600 Ω ± 30% Sensitivity: -76dB ± 3dB Frequency Response: 70-14KHz Neodymium magnet ensures optimum sound quality Double dome diaphragm for well balanced sound quality ranging from the lower to upper frequencies Alight duty CCAW (aluminum wire) is used to form the voice coil which helps achieve crystal clear sound levels Reliable canon type connector is included