---
product_id: 463301634
title: "Future Kit Mono Audio Amplifier - DIY Educational Soldering Kit - 20W Class D 12V - FK682"
brand: "future kit"
price: "5 kr"
currency: DKK
in_stock: false
url: https://www.desertcart.dk/products/463301634-future-kit-mono-audio-amplifier-diy-educational-soldering-kit-20w
store_origin: DK
region: Denmark
---

# Class D Efficiency 20W Power DIY Fun Future Kit Mono Audio Amplifier - DIY Educational Soldering Kit - 20W Class D 12V - FK682

**Brand:** future kit
**Price:** 5 kr
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Build, Amplify, Enjoy! Your sound journey starts here!

## Quick Answers

- **What is this?** Future Kit Mono Audio Amplifier - DIY Educational Soldering Kit - 20W Class D 12V - FK682 by future kit
- **How much does it cost?** 5 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/463301634-future-kit-mono-audio-amplifier-diy-educational-soldering-kit-20w)

## Best For

- future kit enthusiasts

## Why This Product

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

## Key Features

- • **Minimal Distortion:** Enjoy crystal-clear sound with our super-efficient Class D technology.
- • **Unleash Your Sound:** Transform your audio experience with a powerful 20W mono amplifier!
- • **Comprehensive Guidance:** Includes detailed instructions and circuit diagrams for a seamless build.
- • **DIY Learning Adventure:** Perfect for honing your soldering skills while creating something amazing.
- • **Join the Audio Revolution:** Get ready to impress your friends with your custom sound system!

## Overview

The Future Kit Mono Audio Amplifier (FK682) is a DIY educational soldering kit that allows you to build a powerful 20W Class D audio amplifier. Designed for mono audio, this kit is perfect for enhancing your sound system while providing a hands-on learning experience. It includes all necessary components, detailed instructions, and a circuit diagram, making it an ideal project for both beginners and audio enthusiasts.

## Description

Future Kit Mono Audio Amplifier - DIY Kit - 20W Class D 12V - FK682FeaturesLength: 42.4 mmWidth: 30.7 mmMain Colour: GreenCountry of Manufacture: ThailandMPN: FK682Series: FKNumber of Items: 1Packaging: RetailHardware Compatibility: FB01|FB03|FB17 HousingKit Name: 20W MONO CLASS D AUDIO AMPLIFIERSolder Level: Through-hole|SMDMinimum Operating Temperature: -40°CMaximum Operating Temperature: 85°CStandard: RoHSInput DC Voltage: 12 VOperating Current: 1 AOutput Power: 20 WType: Class DHarmonic Distortion Maximum: 0.0005Ouput Channels: MonoDescriptionThis is a kit that once complete provides a small audio amplifier suitable for an 20W mono output. This is a DIY kit and as such will arrive unsoldered. The kit makes ideal practice for hand soldering with clear solder pads and an easy to read circuit board.

## Features

- Boost that music up a notch and burst those speakers
- Build your own audio amplifier, this kit has all the parts.
- The circuit amplifies 20W in one channel, perfect for mono audio. Get two kits and power a serious sound system.
- You build a super efficient class D amplifier minimises distortion before amplifying perfect for a loud speaker.
- The kit makes a brilliant educational project and soldering practice. Each kit comes with instructions, a circuit diagram, a setup guide and an explanation of how it works. So do not hesitate, have a go!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Future Kit |
| Part number | FK682 |
| Item Weight | 32 g |
| Package Dimensions | 13.5 x 10.5 x 2 cm; 32 g |
| Item model number | FK682 |
| Colour | Green |
| Voltage | 12 Volts |
| Plug profile | Surface Mount |

## Images

![Future Kit Mono Audio Amplifier - DIY Educational Soldering Kit - 20W Class D 12V - FK682 - Image 1](https://m.media-amazon.com/images/I/71wpFZkPA8L.jpg)
![Future Kit Mono Audio Amplifier - DIY Educational Soldering Kit - 20W Class D 12V - FK682 - Image 2](https://m.media-amazon.com/images/I/51kEkWG9HbL.jpg)
![Future Kit Mono Audio Amplifier - DIY Educational Soldering Kit - 20W Class D 12V - FK682 - Image 3](https://m.media-amazon.com/images/I/61runsaM+hL.jpg)

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**Shop now:** [https://www.desertcart.dk/products/463301634-future-kit-mono-audio-amplifier-diy-educational-soldering-kit-20w](https://www.desertcart.dk/products/463301634-future-kit-mono-audio-amplifier-diy-educational-soldering-kit-20w)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-20*