Wireless, conference microphone series

Single unit: electrostatic condenser capsule
Directivity: omnidirectional
Frequency Response: 50Hz-18kHz
Sensitivity: -33dB ± 3dB (OdB=1V/Pa at 1kHz) Equivalent noise level: 25dBA
Output Impedance: 1.5KQ±30%(at 1kHz)
Cable length: 5 meters
Output connection: standard 3.5 headphone plug output