---
product_id: 138654769
title: "5pcs Mini PAM8403 DC 5V 2 Channel USB Digital Power Amplifier Board Module 2 * 3W Volume Control with Potentionmeter"
brand: "r reifeng"
price: "€ 16.12"
currency: EUR
in_stock: true
reviews_count: 8
category: "R Reifeng"
url: https://www.desertcart.sk/products/138654769-5pcs-mini-pam8403-dc-5v-2-channel-usb-digital-power
store_origin: SK
region: Slovakia
---

# Compact 29.5x20.2x15mm 3W x 2 stereo output 5V USB powered 5pcs Mini PAM8403 DC 5V 2 Channel USB Digital Power Amplifier Board Module 2 * 3W Volume Control with Potentionmeter

**Brand:** r reifeng
**Price:** € 16.12
**Availability:** ✅ In Stock

## Summary

> 🎧 Tiny Amp, Big Sound — Power Your Audio Anywhere!

## Quick Answers

- **What is this?** 5pcs Mini PAM8403 DC 5V 2 Channel USB Digital Power Amplifier Board Module 2 * 3W Volume Control with Potentionmeter by r reifeng
- **How much does it cost?** € 16.12 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/138654769-5pcs-mini-pam8403-dc-5v-2-channel-usb-digital-power)

## Best For

- r reifeng enthusiasts

## Why This Product

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

## Key Features

- • **Reliable & Efficient:** Over 90% efficiency ensures minimal heat and maximum performance.
- • **Ultra-Compact Design:** Fits effortlessly into any DIY or portable project with its tiny footprint.
- • **Plug & Play USB Power:** Seamlessly powers up from any USB 5V source—no bulky adapters needed.
- • **Precision Volume Control:** Integrated potentiometer lets you fine-tune audio levels with ease.
- • **Crystal Clear Stereo Output:** Delivers crisp 3W per channel sound for immersive audio experiences.

## Overview

The 5pcs Mini PAM8403 amplifier board is a compact, USB-powered digital stereo amplifier delivering 3W per channel at 5V. Featuring a built-in volume potentiometer and switch, it offers flexible, efficient audio amplification ideal for portable electronics and DIY projects. Its small size and high efficiency make it a top choice for millennial professionals seeking sleek, reliable sound solutions.

## Description

Operating voltage: 2.5V-5.5V Maximum output power: 3W*2(5V 4Ω) Size :29.5*20.2*15mm Note: please make sure the power supply is not more than 5.5V please don't do reverse polarity for "+" and "-", or else, it will burn the board.

Review: 👍🏻👍🏼👍🏽👍🏾 - You get what you paid for. Works perfectly fine 👍🏻👍🏼👍🏽👍🏾
Review: Small adjustable amplifier. Good quality and useful. Also it is small and fits almost everywhere. - I was surprised how well it works and how small it is.

## Features

- ✔PAM8403 small mini 5 v digital power amplifier board (can be USB powered) (XY) board USES PAM8403 digital power amplifier chip, circuit is simple, reliable work.
- ✔Working voltage of 2.5 V to 2.5 V, 3 wx2 maximum output, efficiency can achieve 90% above, can use computer USB 5 V power supply.
- ✔The working voltage power supply positive and negative don't wrong, otherwise the chip has the potential to damage.
- ✔Small size, and is equipped with switch, potentiometer, can follow one's inclinations of the volume, and control the power switch to use and install is very flexible and convenient.
- ✔It is very suitable for battery and portable electronic products.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07TB17NLM |
| Best Sellers Rank | #40,869 in Electronics ( See Top 100 in Electronics ) #229 in Audio Component Amplifiers |
| Brand Name | R REIFENG |
| Customer Reviews | 4.4 4.4 out of 5 stars (90) |
| Manufacturer | R REIFENG |
| Material Type | Circuit Board, Semiconductor |
| Maximum Supply Voltage | 5 Volts |
| Minimum Supply Voltage | 2.5 Volts (DC) |
| Model | WJ-00527 |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Output Power | 3 Watts |
| Voltage | 5 Volts |

## Product Details

- **Manufacturer:** R REIFENG
- **Maximum Supply Voltage:** 5 Volts
- **Minimum Supply Voltage:** 2.5 Volts (DC)
- **Mounting Type:** Surface Mount
- **Voltage:** 5 Volts

## Images

![5pcs Mini PAM8403 DC 5V 2 Channel USB Digital Power Amplifier Board Module 2 * 3W Volume Control with Potentionmeter - Image 1](https://m.media-amazon.com/images/I/71xFdfSK2eL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 👍🏻👍🏼👍🏽👍🏾
*by R***É on September 26, 2025*

You get what you paid for. Works perfectly fine 👍🏻👍🏼👍🏽👍🏾

### ⭐⭐⭐⭐⭐ Small adjustable amplifier. Good quality and useful. Also it is small and fits almost everywhere.
*by K***R on May 3, 2024*

I was surprised how well it works and how small it is.

### ⭐⭐⭐⭐⭐ Awesome
*by S***. on March 29, 2020*

I used this in an Arduino project, making a talking dog button board. If you are looking for a volume knob for these, it looks like this is course thread. I found these knobs work great : 4 Abalone Ring Black Les Paul Custom Control Speed Dial Knobs (Top Hat Clear Black) by Dinatone.

## Frequently Bought Together

- R REIFENG 5pcs Mini PAM8403 DC 5V 2 Channel USB Digital Power Amplifier Board Module 2 * 3W Volume Control with Potentionmeter
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**Shop now:** [https://www.desertcart.sk/products/138654769-5pcs-mini-pam8403-dc-5v-2-channel-usb-digital-power](https://www.desertcart.sk/products/138654769-5pcs-mini-pam8403-dc-5v-2-channel-usb-digital-power)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-05-24*