SMD MIC 4*1.3mm -43dB 

Short Description: 4*1.3mm, -42+/-3dB, 20-12000Hz, 2V, 2.2KΩ DATASHEET: ECM4013C-433G-S03C46-00-0 No Parameter Symbol Condition Limits Unit Min. Center Max. 1.1 Sensitivity S 0dB=1V/Pa，at 1kHz -46 -43 -40 dB 1.2 Output impedance Z out f=1kHz     2.2 KΩ 1.3 Current Consumption IDSS VCC&…

Piezo Buzzer Waterproof Speaker Piezo Transducer Mechanical Buzzer SMD MIC