---
product_id: 7098031
title: "K4001 7W Mono Audio Amplifier Kit"
brand: "velleman"
price: "A$32"
currency: AUD
in_stock: true
reviews_count: 6
url: https://www.desertcart.com.au/products/7098031-k4001-7w-mono-audio-amplifier-kit
store_origin: AU
region: Australia
---

# Mono Audio 7W Power Output DIY Assembly K4001 7W Mono Audio Amplifier Kit

**Brand:** velleman
**Price:** A$32
**Availability:** ✅ In Stock

## Summary

> 🎉 Build Your Sound, Amplify Your Life!

## Quick Answers

- **What is this?** K4001 7W Mono Audio Amplifier Kit by velleman
- **How much does it cost?** A$32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/7098031-k4001-7w-mono-audio-amplifier-kit)

## 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

- • **DIY Delight:** Assemble your own amplifier and feel the pride of creation.
- • **Versatile Use:** Ideal for home projects, workshops, or as a unique gift.
- • **Compact Design:** Perfect for small spaces without sacrificing sound quality.
- • **Unleash Your Sound:** Transform your audio experience with 7W of pure power!
- • **Community Connection:** Join a community of DIY enthusiasts and share your creations!

## Description

VellemanK4001 7W Mono Audio Amplifier Kit

## Features

- exists also in mounted version VM114:
- vm114

## Images

![K4001 7W Mono Audio Amplifier Kit - Image 1](https://m.media-amazon.com/images/I/31eOS1RhrxL.jpg)

## Questions & Answers

**Q: Does it need a preamp module and will it work as guitar practice amp?**
A: If a pre amp is normally used with a guitar than YES is would need a pre amp. The RMS output: 3.5 W / 4 ohm or 2 W / 8 ohm.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Small but it's got punch
*by E***Z on August 18, 2020*

The kit arrived well packed. Clear instructions for assembly that were easy to follow. When assembled the amplifier worked perfectly. Good volume, I used it to amplify a DIY shortwave receiver.Definitely recommend this for anyone with basic solder skills.

### ⭐⭐⭐ Good quality kit
*by C***. on May 4, 2018*

Good quality kit. Extremely easy and simple to assemble. Good beginner kit for those learning to solder. Output level is loud and there is no distortion. The only reason why I didn't give it five stars is that there is noticeable background hiss when the volume control is turned down to minimal level. This made it no good for what I wanted to do which was to amplify an extension speaker for a two-way radio. Turning the volume to minimum to listen to other radios did not get rid of the annoying background hiss. I could find nothing wrong in assembly or kit components and powered both K4001 and its audio input source with batteries to eliminate any hissing or hum from AC powered supplies that switch or rectify DC out. Don't know if shielding is needed but instructions don't mention it.

### ⭐⭐⭐⭐⭐ Good unit for small amplifier.
*by E***D on March 28, 2024*

Used as an external speaker amplifier for radio communications equipment. it works well. One side of the output is grounded so no issue, there. Good for mil radio sets that can't drive an 8 ohm speaker.

## Frequently Bought Together

- Velleman K4001 7W Mono Audio Amplifier Kit
- Liquid Solder Flux Dropper (30 ml/1 Oz.) I RMA Liquid Solder Flux I Soldering Flux I Electrical Solder I No Clean Liquid Flux I Rosin Flux I Soldering Flux for Electronics I Lead Free Liquid Solder I
- Lesnow solder wick braid 10ft Length Desoldering Wick Braid Remover Tool Solder Sucker 1 piece No-Clean soldering Wick Wire Roll and Disassemble Electrical Components

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**Shop now:** [https://www.desertcart.com.au/products/7098031-k4001-7w-mono-audio-amplifier-kit](https://www.desertcart.com.au/products/7098031-k4001-7w-mono-audio-amplifier-kit)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-16*