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: 200Ω-10kΩ, output voltage: max. 7V/1kΩ, gain: 52dB, THD: < 0.05%, noise voltage: 0.5µV, dimensions w/o shaft: 40x25x60mm, weight: 30g.