---
product_id: 128975642
title: "5pcs Super Small Power Amplifier Board 3W+3W Type D PAM8403 Digital Audio Amplifier Power Amp Module 2.5V-5.5V Dual Channel High Efficiency 90% USB Powered"
brand: "fdit"
price: "€ 12.94"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/128975642-5pcs-super-small-power-amplifier-board-3w-3w-type-d
store_origin: FI
region: Finland
---

# 90% efficiency power amp 3W+3W dual channel output USB 5V powered convenience 5pcs Super Small Power Amplifier Board 3W+3W Type D PAM8403 Digital Audio Amplifier Power Amp Module 2.5V-5.5V Dual Channel High Efficiency 90% USB Powered

**Brand:** fdit
**Price:** € 12.94
**Availability:** ✅ In Stock

## Summary

> 🔊 Power your sound, shrink your setup — amplify like a pro!

## Quick Answers

- **What is this?** 5pcs Super Small Power Amplifier Board 3W+3W Type D PAM8403 Digital Audio Amplifier Power Amp Module 2.5V-5.5V Dual Channel High Efficiency 90% USB Powered by fdit
- **How much does it cost?** € 12.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/128975642-5pcs-super-small-power-amplifier-board-3w-3w-type-d)

## Best For

- fdit enthusiasts

## Why This Product

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

## Key Features

- • **Compact Powerhouse:** Mini PAM8403 board fits effortlessly into tight spaces for sleek, modern builds.
- • **Effortless USB Power:** Plug into any USB 5V source—laptop, phone charger, or battery—for instant amplification.
- • **Built-In Safety Suite:** Advanced protection against short circuits, overcurrent, and overheating keeps your setup safe and reliable.
- • **Cool & Quiet Operation:** Type D design eliminates heat sinks and noise, ensuring pure sound without interruptions.
- • **High-Efficiency Amplification:** Delivers crisp 3W+3W stereo output with 90% efficiency, minimizing energy waste and heat.

## Overview

The 5pcs Super Small Power Amplifier Board PAM8403 is a compact, USB-powered digital amplifier delivering 3W per channel with 90% efficiency. Its Type D design ensures cool, noise-free operation without heat sinks, while built-in protections safeguard your device. Ideal for professionals seeking high-quality audio amplification in minimal space.

## Description

5pcs Super Small Power Amplifier Board 3W+3W Type D PAM8403 Digital Audio Amplifier Power Amp Module 2.5V-5.5V Dual Channel High Efficiency 90% USB Powered

## Features

- 1PAM8403 mini type: PAM8403 mini type D digital power amplifier can be easily put in small space of many digital products, high amplification efficiency.
- 2USB 5V : It can be powered by computer USB 5V, or phone charger 5V, or lithium battery.
- 3High efficiency 90%: High efficiency 90%, can provide 3W (left channel)+3W (right channel) when using 4Ω load and 5V power supply.
- 4Type D power amplifier: Type D power amplifier has very high amplification efficiency, sound quality will not be effected by temperature rise, no need of heat sink.
- 5Build-in noise: Build-in noise reduction circuit, no noise when power on/off, supports short circuit, over current and over temperature protection.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Fdit |
| Part number | Fdito96pdtnr5u |
| Item Weight | 20 g |
| Product Dimensions | 6 x 4 x 2 cm; 20 g |
| Item model number | PAM8403 |
| Material | fr4 |
| Voltage | 5.5 Volts (DC) |
| Item Package Quantity | 1 |
| Plug profile | Surface Mount |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Item dimensions L x W x H:** 6 x 4 x 2 centimetres
- **Voltage:** 5.5 Volts (DC)
- **Manufacturer:** Fdit
- **Maximum supply voltage:** 5.5 Volts (DC)
- **Minimum supply voltage:** 2.5 Volts (DC)

## Images

![5pcs Super Small Power Amplifier Board 3W+3W Type D PAM8403 Digital Audio Amplifier Power Amp Module 2.5V-5.5V Dual Channel High Efficiency 90% USB Powered - Image 1](https://m.media-amazon.com/images/I/71esf-MI+yL.jpg)

## Questions & Answers

**Q: Can I use it as a preamp with a diy BT module? I have an EPLZON BT from Amazon but the sound it gives to the amp is very poor.**
A: I would think so, they are not super quality sound but ok

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**Shop now:** [https://www.desertcart.fi/products/128975642-5pcs-super-small-power-amplifier-board-3w-3w-type-d](https://www.desertcart.fi/products/128975642-5pcs-super-small-power-amplifier-board-3w-3w-type-d)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-07*