---
product_id: 41979522
title: "Velleman K1803-VP Universal Mono Pre-Amplifier Kit, Developed As Pre-Module for A Number of Audio Applications"
brand: "velleman"
price: "₩29611"
currency: KRW
in_stock: true
reviews_count: 2
url: https://www.desertcart.kr/products/41979522-velleman-k1803-vp-universal-mono-pre-amplifier-kit-developed-as
store_origin: KR
region: South Korea
---

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

**Brand:** velleman
**Price:** ₩29611
**Availability:** ✅ In Stock

## Summary

> 🎛️ Elevate your audio game with precision and power!

## Quick Answers

- **What is this?** Velleman K1803-VP Universal Mono Pre-Amplifier Kit, Developed As Pre-Module for A Number of Audio Applications by velleman
- **How much does it cost?** ₩29611 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/41979522-velleman-k1803-vp-universal-mono-pre-amplifier-kit-developed-as)

## 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

- • **Compact & Ready:** Ultra-compact 30x44 mm PCB fits any custom audio rig
- • **Plug & Play Pro:** Designed as a universal pre-module for seamless integration
- • **Power Your Sound:** Wide 10-30 VDC input for versatile setups
- • **Tailor Your Tone:** Adjustable output level up to 40 dB for perfect signal boost
- • **Crystal Clear Audio:** Covers full audible spectrum from 20 Hz to 20 kHz

## Overview

The Velleman K1803-VP is a universal mono pre-amplifier kit designed to boost weak audio signals with an adjustable output up to 40 dB. Operating on a flexible 10-30 VDC power supply, it delivers clear sound across the full 20 Hz to 20 kHz frequency range. Its compact 30x44 mm PCB makes it ideal for diverse audio applications, ensuring professional-grade signal enhancement in a sleek, easy-to-integrate module.

## Description

This Kit was developed as a pre-module for a number of audio applications where there is an insufficient input signal. Pcb dimensions: 30 x 44 mm (1.2" x 1.7").

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B01N17N6E7 |
| Best Sellers Rank | #287,997 in Electronics (See Top 100 in Electronics) #1,604 in Audio Component Amplifiers |
| Brand Name | Velleman |
| Customer Reviews | 3.7 3.7 out of 5 stars (9) 3.7 out of 5 stars |
| Manufacturer | Velleman |
| Maximum Supply Voltage | 30 volts_of_direct_current |
| Minimum Supply Voltage | 10 volts_of_direct_current |
| Model | K1803-VP |
| Mounting Type | Through-Hole Mount |
| Number Of Channels | 1 |
| Number Of Items | 1 |
| Part Number | K1803-VP |
| Unit Count | 1 Count |
| Voltage | 30 volts |

## Images

![Velleman 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  on Reviewed in the United States 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  on Reviewed in the United States January 8, 2024*

useless. produces a lot of high frequency noise

## Frequently Bought Together

- Velleman K1803-VP Universal Mono Pre-Amplifier Kit, Developed As Pre-Module for A Number of Audio Applications
- HiLetgo 5pcs LM386 Mini Electret Microphone Amplifier Board Microphone AMP Amplifier DC 4V-12V
- Acxico 3Pcs AD828 Stereo Dynamic Microphone Preamplifier Board Pickup Module DC 3.8V-15V MIC Preamp Module

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-08-27*