Low-noise microphone preamplifier module,
adjustable gain, operating voltage: 12-40V DC current .
Frequency range: 20-15,000Hz, -0.5dB, 15-20,000Hz, -3dB, input sensitivity: 2mV, input impedance: 200 ohm-10k ohm, output voltage: max. 7V/1k ohm, gain: 52dB, THD: <0.05%, noise voltage: 0.5µV, dimensions w/o shaft: 40x25x60mm, weight: 30g.