Driver Specification
Driver: 52902 30mm mylar speaker
Impedance: 3249841 10% 52905
Sensitivity: 11049841 3dB(at 1K Hz)
Frequency Response: 20-20, 000Hz
Rated input power: 30mW
Maximum input power: 50mW
Microphone Specification
Element: 52902 9.7x6.7mm electret condenser microphone
Directivity: Omni-directional
Sensitivity: -4249841 2dB at 4.5V, 2.2K 52905
Frequency Response: 20-20, 000Hz
Operation Voltage: 4.5V-10V