---
product_id: 15427494
title: "Happy fly shop 1pcs Mini Digital Power Amplifier Board 3W+3W DC AMP Module 5V USB Power Supply"
brand: "happy fly shop"
price: "฿842"
currency: THB
in_stock: true
category: "Electronics"
url: https://www.desertcart.co.th/products/15427494-happy-fly-shop-1pcs-mini-digital-power-amplifier-board-3w
store_origin: TH
region: Thailand
---

# Happy fly shop 1pcs Mini Digital Power Amplifier Board 3W+3W DC AMP Module 5V USB Power Supply

**Brand:** happy fly shop
**Price:** ฿842
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Happy fly shop 1pcs Mini Digital Power Amplifier Board 3W+3W DC AMP Module 5V USB Power Supply by happy fly shop
- **How much does it cost?** ฿842 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/15427494-happy-fly-shop-1pcs-mini-digital-power-amplifier-board-3w)

## Best For

- happy fly shop enthusiasts

## Why This Product

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

## Description

Product Name: 1PCS 1pcs Mini Digital Power Amplifier Board 3W+3W DC AMP Module 5V USB Power Supply 
 
 
1. Power supply: DC2.5-5.5 V. 
 
2. Output power: 3W + 3W (4). 
 
3. SNR: 90dB. 
 
4. Efficiency: > 90%. 
 
5. Size: 15.5¡Á24 mm. 
 
NOTE: 
 
1. Single lithium battery or USB power supply is suitable, also can use four sections of 1.5V battery, if use with the transformer power supply,it must add 5V voltage circuit, more than 6V will burn IC out. 
 
2. + and - of power supply can't be reversed, power supply voltage can't be more than 6V, otherwise it will damage the IC. 
 
3. there were high gain buffers, can't change any board device parameters, do not accord with the parameters of the IC will lead to damage. 
 
4. input wire please use shielding wire, can rise anti-interference function, eliminate clutter current sound. 
 
5. output is CMOS BTL drive mode,4 wire is completely independent, don't connect together! 
 
Package Included: 
 
1Pcs 3W¡Á2 Mini Digital Audio Amplifier Board USB DC 5V Power Supply

## Features

- Happy fly shop 1pcs Mini Digital Power Amplifier Board 3W+3W DC AMP Module 5V USB Power Supply

## Images

![Happy fly shop 1pcs Mini Digital Power Amplifier Board 3W+3W DC AMP Module 5V USB Power Supply - Image 1](http://ecx.images-amazon.com/images/I/51h7UNspJpL.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/15427494-happy-fly-shop-1pcs-mini-digital-power-amplifier-board-3w](https://www.desertcart.co.th/products/15427494-happy-fly-shop-1pcs-mini-digital-power-amplifier-board-3w)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-26*