Velleman K1803 UNIVERSAL MONO PRE-AMPLIFIER
This kit was developed as pre-module for a number of audio applications where the input signal is too weak. Applications as a microphone pre-amplifier or for level correction.
power supply: 10-30VDC / 10mA
adjustable output level: max. 40dB
frequency range: 20Hz to 20kHz ± 3dB
max. input signal: 40mV
PCB dimensions: 30 x 44mm / 1.2 x 1.7"