Kemo-Electronic Universal Preamplifier Module

The Kemo-Electronic Universal Preamplifier Module is a compact and versatile solution for boosting weak audio signals. Designed specifically for microphones, this mini module acts as an essential interface, connecting seamlessly between a power amplifier and a low-level signal source. Its wide operating voltage range of 9–24V DC offers excellent flexibility for integration into various audio setups, from DIY projects to professional installations.

This module delivers high-fidelity amplification with a broad frequency response of 20–20,000Hz (±3dB), ensuring clear and accurate sound reproduction across the audible spectrum. It features a high input impedance of 50kΩ, making it highly sensitive to weak signals, while the low output impedance (less than 1kΩ) ensures stable performance and compatibility with a wide range of power amplifiers. With a substantial 40dB of gain, it can effectively amplify input signals as low as 2mV to a robust output of up to 5V.

Engineered for quality, the preamplifier maintains exceptional signal integrity with very low distortion (less than 0.02%) and minimal current consumption (under 2mA). Its ultra-compact dimensions of 30 x 25 x 15mm make it an ideal choice for space-constrained applications, allowing for discreet embedding into existing equipment or custom enclosures.

Whether you're building a custom microphone preamp, enhancing a public address system, or improving the signal from a sensor or pickup, this reliable module provides the clean boost needed for professional-grade audio performance.