This kit is designed as an audio link for all kinds of applications, where the audio signal is not strong enough, such as a microphone. The kit includes a PCB and the components to build a pre-amplifier for passive or very low audio signals.
Power supply: 10-30VDC / 10mA
Adjustable gain: max. 40dB
Frequency range: 20Hz to 20kHz ± 3dB
Max. input signal: 40mV
Dimensions print: 30 x 44mm