Compact PC board Microphone Audio Pre-Amplifier. Linear audio amplifier designed around the LM386 IC with Gain set at 200. Adjustable Input level control. Capacitor coupled Output. Perfect for boosting weak signals from audio sources, microphones, DC/AC sensors, etc. . Features 4 Pin 0.1in Pitch Header for power and audio input, Terminal Strip Output. Assembled and tested. 


SPECIFICATIONS:

  • Power Input: 5-12 VDC
  • Current: <10mA at 5VDC
  • Input Signal Range: 0-0.4V
  • Output Level: ~80% of Vcc
  • SNR: > 90dB
  • Adjustable input level
  • I/O Header for Input & Power.
  • Measures 1-5/8”(L) x 9/16"” (W) x 5/8” (H)           

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