AV-Leader PA522 Professional Uni-Direction Noise Canceling Gooseneck Microphone
Polar Pattern: Cardioid. Type - Condenser Electrific. Switch: NA. Impedance: 250 Ω ±30% (@1KHz). Sensitivity: -68dB ±3 dB(0dB=1ubar@1KHz). Frequency: 80~20,000 Hz. The diagram is a cardioid.