车载免提专用全指向6027高品质 咪头
咪头，又称为咪芯 MIC 咪胆 传声器 拾音器 送话器 话筒 麦克风 等 从工作原理上有分为：碳晶粒式咪头 电磁式咪头 电容式咪头 驻极体电容式咪头 压电晶体式咪头 压电陶瓷式咪头 二氧化硅式咪头 SMD贴片式咪头 硅咪 等
| 1 | Sensitivity Range | -33±2dBRL=2.2KΩVs=2.0V(1KHz 0dB=1V/Pa) |
| 2 | Impedance | Max. 2.2KΩ 1KHz (RL=2.2KΩ) |
| 3 | Frequency | 20-16000 Hz |
| 4 | Current Consumption | Max.0.5mA |
| 5 | Operation Voltage Range | 1.0V-10V |
| 6 | Max. Sound Pressure Level | 115dB S.P.L |
| 7 | S/N Ratio | More than 58dB |
| 8 | Sensitivity Reduction | 3.0V-1.5V Sensitivity Variation less than 3dB |
| 9 | Environmental Protection Regulation | HF |
