Function change way: Dynamic Directivity: Uni- direction Frequency Response: 50~14KHz Sensitivity:-54±3dB (0dB=1V/pa at 1KHz) Output Impedance: 600Ω±30% (at 1KHz)

Function change way: Dynamic Directivity: Uni- direction Frequency Response: 50~15KHz Sensitivity:-49.4±3dB (0dB=1V/pa at 1KHz) Output Impedance: 600Ω±30% (at 1KHz)