---
product_id: 41979522
title: "K1803-VP Universal Mono Pre-Amplifier Kit, Developed As Pre-Module for A Number of Audio Applications"
brand: "velleman"
price: "$622"
currency: MXN
in_stock: true
reviews_count: 2
url: https://www.desertcart.mx/products/41979522-k1803-vp-universal-mono-pre-amplifier-kit-developed-as-pre
store_origin: MX
region: Mexico
---

# 10-30 VDC power range 20 Hz - 20 kHz frequency range 40 dB adjustable output K1803-VP Universal Mono Pre-Amplifier Kit, Developed As Pre-Module for A Number of Audio Applications

**Brand:** velleman
**Price:** $622
**Availability:** ✅ In Stock

## Summary

> 🎛️ Elevate your audio game with precision and power!

## Quick Answers

- **What is this?** K1803-VP Universal Mono Pre-Amplifier Kit, Developed As Pre-Module for A Number of Audio Applications by velleman
- **How much does it cost?** $622 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/41979522-k1803-vp-universal-mono-pre-amplifier-kit-developed-as-pre)

## Best For

- velleman enthusiasts

## Why This Product

- Trusted velleman brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Low Output Impedance:** 1 kΩ output impedance ensures clean signal transfer with minimal loss.
- • **Wide Frequency Response:** Crisp audio clarity from deep bass to high treble (20 Hz - 20 kHz).
- • **Precision Output Control:** Adjust output level up to 40 dB for tailored sound dynamics.
- • **Compact DIY Audio Upgrade:** Perfect pre-module for custom audio projects, empowering your sound system.
- • **Versatile Voltage Compatibility:** Operates seamlessly between 10-30 VDC, fitting diverse audio setups.

## Overview

The Velleman K1803-VP is a universal mono pre-amplifier kit designed as a versatile pre-module for various audio applications. It supports a wide power supply range (10-30 VDC), offers adjustable output levels up to 40 dB, covers the full audible frequency spectrum (20 Hz to 20 kHz), and features a low 1 kΩ output impedance for optimal signal quality.

## Description

Velleman K1803-VP Universal Mono Pre-Amplifier Kit, Developed As Pre-Module for A Number of Audio Applications

## Features

- Power supply: 10-30 vdc / 10 ma
- Output impedance: 1 kohm
- Adjustable output level: 40 db max
- Frequency range: 20 hz to 20 khz 3Db
- Maximum input signal: 40 mv

## Images

![K1803-VP Universal Mono Pre-Amplifier Kit, Developed As Pre-Module for A Number of Audio Applications - Image 1](https://m.media-amazon.com/images/I/61oolmWyasL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐ quality
*by G***O on August 24, 2023*

If you put the additional control components in good line with the circuit, it works very well, only for me it should be cheaper on the list!

### ⭐ noisy
*by C***K on January 8, 2024*

useless. produces a lot of high frequency noise

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**Shop now:** [https://www.desertcart.mx/products/41979522-k1803-vp-universal-mono-pre-amplifier-kit-developed-as-pre](https://www.desertcart.mx/products/41979522-k1803-vp-universal-mono-pre-amplifier-kit-developed-as-pre)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-16*