---
product_id: 75793010
title: "CentIoT - PAM8403 2 x 3W - 2 Channels 3W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V"
brand: "centiot"
price: "R31"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/75793010-centiot-pam8403-2-x-3w-2-channels-3w-dual-channel
store_origin: ZA
region: South Africa
---

# 85% high amplification efficiency 2 x 3W stereo output USB 5V direct power input CentIoT - PAM8403 2 x 3W - 2 Channels 3W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V

**Brand:** centiot
**Price:** R31
**Availability:** ✅ In Stock

## Summary

> 🎧 Tiny Amp, Massive Impact: Power Your Sound with Precision!

## Quick Answers

- **What is this?** CentIoT - PAM8403 2 x 3W - 2 Channels 3W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V by centiot
- **How much does it cost?** R31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/75793010-centiot-pam8403-2-x-3w-2-channels-3w-dual-channel)

## Best For

- centiot enthusiasts

## Why This Product

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

## Key Features

- • **Compact Powerhouse:** Dual 3W channels deliver crisp stereo sound in a tiny 2x1.85 cm board—perfect for sleek, space-conscious setups.
- • **Noise-Free Listening:** Advanced noise suppression means zero hiss or static, even when no audio input is connected—pure sound clarity guaranteed.
- • **Plug & Play USB Power:** No bulky adapters needed—power directly from any USB 5V source for effortless integration and on-the-go audio boosts.
- • **Efficient Class D Tech:** 85% amplification efficiency maximizes output while minimizing heat and power waste—smart sound for smart users.
- • **Versatile Speaker Compatibility:** Easily drives 4Ω to 8Ω small speakers, making it ideal for DIY audio projects, desktop setups, or compact multimedia devices.

## Overview

The CentIoT PAM8403 is a compact, dual-channel Class D digital amplifier delivering 3W per channel at 5V USB power. With 85% efficiency and advanced noise suppression, it drives small 4Ω-8Ω speakers with clear, distortion-free stereo sound. Its ultra-small footprint (2.05 x 1.85 cm) and USB compatibility make it a perfect fit for modern, space-conscious audio projects and professional setups.

## Description

Dual channel stereo output 3 w + 3 w power Class D Works with 2.5V-5v power supply High amplification efficiency 85% can directly drive 4 Ω/8 Ω small speakers Good sound quality & noise suppression Unique without LC filter class D digital power board Can use computer USB power supply directly Small Size, 1.85 x 2.11 cm can easily fit in a variety of products

## Features

- Dual-panel wiring, properly solve the crosstalk between the ground potential balance and channel wiring
- Unique without LC filter Class D digital power board, and can be used directly to the computer's USB powered.
- Two-channel stereo, 5V power supply can output 3W +3 W power, can directly drive 4 8 small speaker output power, full of energy, good sound quality.
- Excellent noise suppression in the case is not connected to the input audio, the ear close to the speaker can not hear any noise
- Advanced Micro Devices, volume: 1.85 * 2.11cm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item dimensions L x W x H | 20 x 18 x 2 Millimeters |
| Voltage | 5 Volts (DC) |
| Manufacturer | CentIoT, Contact@centiot.com | www.centiot.com/support |
| Maximum Supply Voltage | 5 Volts |
| Mounting Type | Surface Mount |
| Brand | CentIoT |
| Number of Channels | 2 |
| Output Power | 6 Watts |
| Package Type Name | Bare Component |
| Specification Met | RoHS |
| UPC | 618020769199 |
| Model | ACK-DIGITAL-AMP-CLASSD-PAM8403-2X3W-5V |
| Product Dimensions | 2.05 x 1.85 x 0.25 cm; 9 g |
| Item model number | ACK-DIGITAL-AMP-CLASSD-PAM8403-2X3W-5V |
| Mounting Hardware | 1 x 2 x 3w Stereo amplifier module - pam8403 |
| Number of items | 1 |
| Wattage | 3 Watts |
| Power Source | DC |
| Batteries Included | No |
| Batteries Required | No |
| Manufacturer | CentIoT |
| Item Weight | 9 g |

## Product Details

- **Item dimensions L x W x H:** 20 x 18 x 2 Millimeters
- **Voltage:** 5 Volts (DC)
- **Manufacturer:** CentIoT, Contact@centiot.com | www.centiot.com/support
- **Maximum Supply Voltage:** 5 Volts
- **Mounting Type:** Surface Mount

## Images

![CentIoT - PAM8403 2 x 3W - 2 Channels 3W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V - Image 1](https://m.media-amazon.com/images/I/71CaRlzfUML.jpg)
![CentIoT - PAM8403 2 x 3W - 2 Channels 3W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V - Image 2](https://m.media-amazon.com/images/I/51bRE-PkKBL.jpg)
![CentIoT - PAM8403 2 x 3W - 2 Channels 3W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V - Image 3](https://m.media-amazon.com/images/I/61pFDwbDwaL.jpg)
![CentIoT - PAM8403 2 x 3W - 2 Channels 3W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V - Image 4](https://m.media-amazon.com/images/I/61rX+g2mtbL.jpg)
![CentIoT - PAM8403 2 x 3W - 2 Channels 3W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V - Image 5](https://m.media-amazon.com/images/I/41gdhQU1ZqL.jpg)

## Available Options

This product comes in different **Number of Items** options.

## Questions & Answers

**Q: Any delivery paymen**
A: No

**Q: can i use 20w**
A: No it will give only vibrations and amp will start fluctuating.   And also the voltage should be stable.   Only 3-4 watt speaker will work

**Q: Supported 6 walt speaker**
A: Yes, it supports 6 Watt Speaker

**Q: Can we give this output to other amplifier?**
A: Yes absolutely

## Frequently Bought Together

- CentIoT - 5V 2 Channel Stereo mini Class D Digital Audio Power Amplifier Board (PAM8403 2x3W)
- Electronic Spices 4 Inch Max Subwoofer Speaker 4 ohm 30 Watt HiFi Woofer Deep Bass for Home Theater
- CentIoT - CT14+ 2 x 5W BT4.2 - Bluetooth Stereo 2 channel mini Class D Digital Audio Power Amplifier Board

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**Shop now:** [https://www.desertcart.co.za/products/75793010-centiot-pam8403-2-x-3w-2-channels-3w-dual-channel](https://www.desertcart.co.za/products/75793010-centiot-pam8403-2-x-3w-2-channels-3w-dual-channel)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-05*