---
product_id: 388276419
title: "Belfin Power Supply board AC to DC Converter 5v to 20v 0.5A to 2A for Audio Amplifiers & DIY Projects using"
brand: "belfin"
price: "¥336"
currency: JPY
in_stock: true
reviews_count: 2
url: https://www.desertcart.jp/products/388276419-belfin-power-supply-board-ac-to-dc-converter-5v-to
store_origin: JP
region: Japan
---

# 5v to 20v 31x30x38mm 0.5A to 2A Belfin Power Supply board AC to DC Converter 5v to 20v 0.5A to 2A for Audio Amplifiers & DIY Projects using

**Brand:** belfin
**Price:** ¥336
**Availability:** ✅ In Stock

## Summary

> 🔧 Power Up Your Projects with Precision!

## Quick Answers

- **What is this?** Belfin Power Supply board AC to DC Converter 5v to 20v 0.5A to 2A for Audio Amplifiers & DIY Projects using by belfin
- **How much does it cost?** ¥336 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/388276419-belfin-power-supply-board-ac-to-dc-converter-5v-to)

## Best For

- belfin enthusiasts

## Why This Product

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

## Key Features

- • **Compact Design:** Space-saving dimensions of 31D x 30W x 38H mm fit any project.
- • **Reliable Performance:** Minimum frequency of 50 Hz ensures stable operation.
- • **Robust Current Output:** Delivers a reliable 0.5A to 2A for your audio amplifiers.
- • **Versatile Voltage Range:** Seamlessly converts 5v to 20v for diverse applications.
- • **Ideal for DIY Enthusiasts:** Perfect for audio amplifiers and innovative electronics projects.

## Overview

The Belfin Power Supply Board is a versatile AC to DC converter that supports a voltage range of 5v to 20v and a current output of 0.5A to 2A, making it ideal for audio amplifiers and various DIY electronics projects. With compact dimensions of 31D x 30W x 38H mm and a minimum frequency of 50 Hz, this power supply board is designed for reliability and efficiency.

## Description

Belfin Power Supply board AC to DC Converter 5v to 20v 0.5A to 2A for Audio Amplifiers & DIY Projects using

## Features

- DC Converter 5v to 20v 0.5A to 2A
- Use DIY Electronics Projects
- Use CLASS D amplifier

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Dimensions D x W x H | 31D x 30W x 38H Millimeters |
| Minimum Frequency | 50 Hz |

## Images

![Belfin Power Supply board AC to DC Converter 5v to 20v 0.5A to 2A for Audio Amplifiers & DIY Projects using - Image 1](https://m.media-amazon.com/images/I/71I+ZP7xgsL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good
  

*by N***R on Reviewed in India on 21 January 2022*

Good, Need Same dual voltage

### ⭐ 1.0 out of 5 stars







  
  
    GNORW
  

*by P***R on Reviewed in India on 2 August 2024*

Uality is good....But packaged was not good.....It was break....I received that...This side no need...For that reason ,,  I not want to be change...😊🙏

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**Shop now:** [https://www.desertcart.jp/products/388276419-belfin-power-supply-board-ac-to-dc-converter-5v-to](https://www.desertcart.jp/products/388276419-belfin-power-supply-board-ac-to-dc-converter-5v-to)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-24*