---
product_id: 405287745
title: "DollaTek PAM8403 Mini DC 3W + 3W DC 5V Audio Amplifier Module Board Dual-channel Stereo Amplifier for DIY Portable Speakers Headphones"
brand: "dollatek"
price: "HK$254"
currency: HKD
in_stock: false
reviews_count: 5
category: "Dolla Tek"
url: https://www.desertcart.hk/products/405287745-dollatek-pam8403-mini-dc-3w-3w-dc-5v-audio-amplifier
store_origin: HK
region: Hong Kong
---

# 90% efficiency power boost Compact 30x22x16mm size 3W x 2 stereo output DollaTek PAM8403 Mini DC 3W + 3W DC 5V Audio Amplifier Module Board Dual-channel Stereo Amplifier for DIY Portable Speakers Headphones

**Brand:** dollatek
**Price:** HK$254
**Availability:** ❌ Out of Stock

## Summary

> 🔊 Tiny amp, massive sound — power your DIY audio like a pro!

## Quick Answers

- **What is this?** DollaTek PAM8403 Mini DC 3W + 3W DC 5V Audio Amplifier Module Board Dual-channel Stereo Amplifier for DIY Portable Speakers Headphones by dollatek
- **How much does it cost?** HK$254 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/405287745-dollatek-pam8403-mini-dc-3w-3w-dc-5v-audio-amplifier)

## Best For

- dollatek enthusiasts

## Why This Product

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

## Key Features

- • **Pocket-sized Powerhouse:** Compact 30x22x16mm fits seamlessly into any DIY or portable setup.
- • **Versatile Voltage Range:** Operates smoothly from 2.5V to 5.5V, perfect for battery-powered devices.
- • **Power-packed Mini Marvel:** Dual 3W channels deliver crisp, room-filling stereo sound.
- • **Ultra-efficient Energy Saver:** 90% efficiency means longer battery life for your portable projects.
- • **Volume & Power Control at Your Fingertips:** Integrated potentiometer with switch for effortless volume adjustment and power management.

## Overview

The DollaTek PAM8403 Mini Amplifier Board is a compact, dual-channel stereo amplifier delivering 3W per channel at 5V with 90% efficiency. Designed for portable and battery-powered audio projects, it features an integrated potentiometer for volume and power control, operating within a versatile 2.5-5.5V range, making it ideal for DIY speakers and headphones.

## Description

Feature: PAM8403 Mini Power Amplifier Board. Dimension:30 x 22 x 16mm (do not including potentiometer handle) Operating voltage: DC 3-5.5V Max output: 3Wx2 (5V 4Ω) Efficiency: 90% Note: Potentiometer with switch, can Adjust the volume and Control the power switch Suitable for battery or portable electronics products,suitable for long time steady usage. Package includes: 1x Mini Amplifier Board

Review: 5 stars all round
Review: Correspond à mes attentes

## Features

- PAM8403 Mini Power Amplifier Board.
- Operating voltage: DC 2.5-5.5V
- Max output: 3Wx2 (5V 4Ω)
- Efficiency: 90%
- Dimension:30 x 22 x 16mm (do not including potentiometer handle)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DJWGQVY |
| Item model number | PAM8403 |
| Manufacturer | DollaTek |
| Package Dimensions | 8.5 x 6 x 0.8 cm; 20 g |

## Product Details

- **Manufacturer:** DollaTek
- **Maximum supply voltage:** 5 Volts
- **Minimum supply voltage:** 2.5 Volts
- **Mounting type:** Surface Mount
- **Voltage:** 5 Volts (DC)

## Images

![DollaTek PAM8403 Mini DC 3W + 3W DC 5V Audio Amplifier Module Board Dual-channel Stereo Amplifier for DIY Portable Speakers Headphones - Image 1](https://m.media-amazon.com/images/I/615kmrmGSAL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***A on 27 October 2024*

5 stars all round

### ⭐⭐⭐⭐⭐ Review
*by C***N on 9 July 2025*

Correspond à mes attentes

### ⭐⭐⭐⭐⭐ Review
*by Z***P on 7 July 2025*

Mi serviva per amplificare un Raspberry in un progetto personale. Tutto ok

## Frequently Bought Together

- DollaTek Mini DC 3W + 3W DC 5V Audio amplifier Handy Digital Amplifier Module Board Dual-channel PAM8403 Stereo Amplifier for DIY Portable Speakers Headphones
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**Shop now:** [https://www.desertcart.hk/products/405287745-dollatek-pam8403-mini-dc-3w-3w-dc-5v-audio-amplifier](https://www.desertcart.hk/products/405287745-dollatek-pam8403-mini-dc-3w-3w-dc-5v-audio-amplifier)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-25*