SOUND SENSOR
- IC Chip: LM393
- Operating voltage: 3.3V-5V
- operating current: 4-5 mA
- Voltage gain 26 dB (v=6v, f=1khz)
- Sensitivity of the microphone (1khz) :52 to 48 dB
- The impedance of the microphone: 2.2k ohm
- Frequency of microphone: 16 to 20 kHz
- Signal to noise ratio: 54 dB
- Signal output indication
- The output is digital.
- Single-channel signal output.
- With the retaining bolt hole, convenient installation.
- Output low level and the signal light when there is sound.
- Dimension:45*17*9mm
- Weight: 5gm