MIC Preamplifier kit using standard Op-Amp circuit.  Preamplifier with onboard condenser microphone.  With a line output signal level, it is the perfect solution to inject a sound in any musical apparatus with auxiliary input, like musical apparatus, mixers, small emitters etc.  It includes a gain control.  Output signal 300 mV.  Output Impedance 12 Kohm. 

• Power supply : 5 to 12 VDC @ 10 mA
• Output : Gain 100
• On-Board electret condenser microphone
• Berg connector for connecting of power supply input and audio output
• Power-On LED indicator
• Four mounting holes of 3.2 mm each
• PCB dimensions 35 mm x 40 mm