Tính năng kỹ thuật: Type Electret condenser microphone Directivity Unidirectional Rated Impedance 1.8 kΩ Rated Sensitivity -37 dB (1 kHz 0 dB = 1 V/Pa) LED Indicator Speech indicator (ring type) Frequency Response 100 - 13,000 Hz Output Connector Combined type of XLR-4-32 Finish Gooseneck: Stainless steel, black Other: ABS resin, black Weight 105 g (0.23 lb) Applicable Unit (Option) Chairman unit: TS-771 Delegate unit: TS-772