“electret condenser microphone”

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2.
Voice Sound Sensor Module - Blue + Black
- Color: Blue + Black - Main chip: LM393 - Electret condenser microphone - Working voltage: DC 4-6V - Singl
» Alarm Systems
  • $2.90
  • free shipping
3.
Clear Speech Audio Pick-up Surveillance Microphone
- This microphone is used to pick-up sound in a room - Use with cameras or AV surveillance systems, as a spy listening bugging recording equipment - Built-in amplifier -
Rating: 4 out of 5(7 reviews)
» CCTV Parts & Components
  • $2.89
  • free shipping
4.
GM1358 Portable 2.2" LCD Digital Sound Level Meter (1 x 9V)
/ Slow - Sampling rate: 2 times per second - 1/2 inch Electret Condenser Microphone - Easy operation - Powe
» Measuring Tools
  • $32.30
  • free shipping
5.
GM1357 Portable 2.1" LCD Digital Sound Level Meter (4 x AA)
: Fast / Slow - Sampling rate: 2 times per second - 1/2 inch Electret Condenser Microphone - Easy operation
» Measuring Tools
  • $32.99
  • free shipping
6.
7-Range Sound and Noise Meter
= 0.0002 u bar - Signal Output: 1.0 volt (peak) minimum into open circuit,with full - scale meter deflection at 1 kHz - Load Impedance: 10 kOhms minimum - Distortion: Less than 2% at 1 kHz, 0.5-volt - Microphone
Rating: 4 out of 5(6 reviews)
» Other Tools
  • $25.10
  • free shipping
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