--- product_id: 114903847 title: "Mini DC 3W + 3W DC 5V Audio amplifier Handy Digital Amplifier Module Board Dual-channel PAM8403 Stereo Amplifier for DIY Portable Speakers Headphones" brand: "dollatek" price: "S$7" currency: SGD in_stock: true reviews_count: 10 category: "Dolla Tek" url: https://www.desertcart.sg/products/114903847-mini-dc-3w-3w-dc-5v-audio-amplifier-handy-digital store_origin: SG region: Singapore --- # 90% efficiency power boost Compact 30x22x16mm size 3W x 2 stereo output Mini DC 3W + 3W DC 5V Audio amplifier Handy Digital Amplifier Module Board Dual-channel PAM8403 Stereo Amplifier for DIY Portable Speakers Headphones **Brand:** dollatek **Price:** S$7 **Availability:** ✅ In Stock ## Summary > 🔊 Tiny amp, huge sound—power your passion with precision! ## Quick Answers - **What is this?** Mini DC 3W + 3W DC 5V Audio amplifier Handy Digital Amplifier Module Board Dual-channel PAM8403 Stereo Amplifier for DIY Portable Speakers Headphones by dollatek - **How much does it cost?** S$7 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/114903847-mini-dc-3w-3w-dc-5v-audio-amplifier-handy-digital) ## 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 Pro:** At just 30x22x16mm, this amplifier fits seamlessly into any compact or custom build. - • **Power-packed Mini Marvel:** Dual 3W channels deliver crisp, room-filling stereo sound for your DIY audio projects. - • **Ready for On-the-Go Audio:** Designed for battery-powered devices, ensuring steady, reliable performance wherever you take it. - • **Ultra-efficient Energy Saver:** 90% efficiency means longer battery life and less heat—perfect for portable setups. - • **Volume & Power Control in One:** Integrated potentiometer with switch lets you fine-tune volume and power effortlessly. ## Overview The DollaTek Mini DC 3W+3W PAM8403 amplifier board is a compact, dual-channel stereo amplifier delivering 3 watts per channel at 5V with 90% efficiency. Its small footprint and integrated volume/power control make it ideal for DIY portable speakers and headphone projects, ensuring high-quality sound and energy-efficient performance in a sleek, easy-to-mount design. ## 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: great works well - 5 stars all round Review: Well made and work well. - These are handy and work well. ## 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 | | Best Sellers Rank | 34,047 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 19 in Audio Amplifier | | Brand | DollaTek | | Country Of Origin | China | | Customer Reviews | 4.4 out of 5 stars 159 Reviews | | Manufacturer | DollaTek | | Material | Printed Circuit Board, Electronic Components | | Maximum Output Power | 3 watts | | Maximum Supply Voltage | 5.5 Volts (DC) | | Maximum supply voltage | 5.5 Volts (DC) | | Minimum Supply Voltage | 2.5 Volts (DC) | | Minimum supply voltage | 2.5 Volts (DC) | | Model Number | PAM8403 | | Mounting Type | Surface Mount | | Mounting type | Surface Mount | | Number of Channels | 2 | | Output Power | 3 Watts | | Package Type Name | anti-static bag | | Specification Met | CE | | UPC | 742548985165 | | Unit Count | 1.0 count | | Voltage | 5 Volts (DC) | ## Product Details - **Manufacturer:** DollaTek - **Maximum supply voltage:** 5.5 Volts (DC) - **Minimum supply voltage:** 2.5 Volts (DC) - **Mounting type:** Surface Mount - **Voltage:** 5 Volts (DC) ## Images ![Mini DC 3W + 3W DC 5V Audio amplifier Handy Digital Amplifier Module Board Dual-channel PAM8403 Stereo Amplifier for DIY Portable Speakers Headphones - Image 1](https://m.media-amazon.com/images/I/615kmrmGSAL.jpg) ![Mini DC 3W + 3W DC 5V Audio amplifier Handy Digital Amplifier Module Board Dual-channel PAM8403 Stereo Amplifier for DIY Portable Speakers Headphones - Image 2](https://m.media-amazon.com/images/I/61FEyUugX8L.jpg) ![Mini DC 3W + 3W DC 5V Audio amplifier Handy Digital Amplifier Module Board Dual-channel PAM8403 Stereo Amplifier for DIY Portable Speakers Headphones - Image 3](https://m.media-amazon.com/images/I/51m3wo2yOqL.jpg) ![Mini DC 3W + 3W DC 5V Audio amplifier Handy Digital Amplifier Module Board Dual-channel PAM8403 Stereo Amplifier for DIY Portable Speakers Headphones - Image 4](https://m.media-amazon.com/images/I/61eLerV3WbL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ great works well *by R***A on 27 October 2024* 5 stars all round ### ⭐⭐⭐⭐⭐ Well made and work well. *by A***W on 3 September 2024* These are handy and work well. ### ⭐⭐⭐⭐⭐ Good power for a USB powered amp *by A***R on 31 August 2023* These class D amps are about the only way to get decent power from 5V USB due to their high efficiency. You even get a volume control with this one. We live in a wonderful age and I wish they had these when I was a teen and built radios! ## 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 - Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino Diy (Pack of 2pcs) EK1725U - DollaTek VS1053 MP3 Module Development Board w/On-Board Recording Function SPI Interface OGG Encoding Recording Control Signal Filter For Arduino UNO R3 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/114903847-mini-dc-3w-3w-dc-5v-audio-amplifier-handy-digital](https://www.desertcart.sg/products/114903847-mini-dc-3w-3w-dc-5v-audio-amplifier-handy-digital) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-07-24*