This kit has been developed as pre-module for a number of audio applications where there is insufficient input signal.

Applications as a microphone pre-amplifier when a different microphone is used with your transceiver, or for level control.

Specifications

• power supply required: 9 to 24 V DC / 10mA
• output impedance: 1Kohm
• adjustable output level: max. 40dB
• frequency range: 20Hz to 20kHz ± 3dB
• max. input signal: 40mV
• PCB dimensions: 1.2" x 1.7"