--- product_id: 482733593 title: "DAOKAI10Pcs PAM8403 Digital Audio Amplifier Board Super Small Power Amplifier Module 3W+3W Class-D Dual Channel Amplifier Board 2.5V-5.5V USB Powered High Efficiency 90%" brand: "daokai" price: "13137CFA" currency: XOF in_stock: true url: https://www.desertcart.sn/products/482733593-daokai10pcs-pam8403-digital-audio-amplifier-board-super-small-power-amplifier store_origin: SN region: Senegal --- # 90% efficiency Mini size 18.5x21.1mm 3W x 2 power DAOKAI10Pcs PAM8403 Digital Audio Amplifier Board Super Small Power Amplifier Module 3W+3W Class-D Dual Channel Amplifier Board 2.5V-5.5V USB Powered High Efficiency 90% **Brand:** daokai **Price:** 13137CFA **Availability:** ✅ In Stock ## Summary > 🎶 Elevate Your Sound Game with DAOKAI's Mini Marvel! ## Quick Answers - **What is this?** DAOKAI10Pcs PAM8403 Digital Audio Amplifier Board Super Small Power Amplifier Module 3W+3W Class-D Dual Channel Amplifier Board 2.5V-5.5V USB Powered High Efficiency 90% by daokai - **How much does it cost?** 13137CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/482733593-daokai10pcs-pam8403-digital-audio-amplifier-board-super-small-power-amplifier) ## Best For - daokai enthusiasts ## Why This Product - Trusted daokai brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Built-in protection against short circuits, overcurrent, and overheating ensures longevity. - • **Compact Powerhouse:** Transform any small space into a sound haven with this ultra-compact amplifier. - • **Noise-Free Operation:** Enjoy your music without interruptions, thanks to advanced noise suppression technology. - • **Versatile Compatibility:** Easily drives 4Ω and 8Ω speakers, making it perfect for various audio projects. - • **High-Efficiency Amplification:** Experience crystal-clear audio with 90% efficiency—no heat sink needed! ## Overview The DAOKAI PAM8403 Digital Audio Amplifier Board is a compact, high-efficiency Class-D amplifier that delivers 3W per channel, perfect for driving small speakers. With a noise-free operation and built-in safety features, this module is ideal for audio enthusiasts looking to enhance their sound experience in tight spaces. ## Description Introduction: Excellent noise suppression, in the absence of circumstances connected to input audio ear close to the speaker can not hear any noise, two-channel stereo, 5V power supply can output 3W 3W power, can directly drive 4Ω, 8Ω small speakers, the output power large, full of energy, good sound quality. The unique non-LC filter Class-D digital power board can be directly used computer USB power supply. Double panel wiring, wiring properly resolve the ground potential caused by balance and inter-channel crosstalk, ultra-miniature design, can easily be placed in a variety of digital products within a small space, high amplification efficiency. Module parameters： 1. Working voltage: 2.5v-5.5V, rated working voltage: 2.5~5V, limit working voltage: 5.5V 2. Speaker matching: 4-8 ohms, recommended 4 ohms, power: 2-8W 3. Power supply: You can use the 5V power supply of the computer USB port, or use the 5V power supply of the USB port of the mobile phone charger, or you can use the lithium battery power supply. 4. Efficiency: 90% high efficiency, 3W (left channel) + 3W (right channel) output power can be provided under the condition of 4 loads and 5V power supply. The efficiency of class A, class B and other power amplifiers is only about 30%. Features Type D power amplifier has very high amplification efficiency, sound quality will not be effected by temperature rise, no need of heat sink. Build-in noise reduction circuit, no noise when power on/off, supports short circuit, over current and over temperature protection. Application: LCD TVs, monitors Laptop Portable Speakers Portable DVD players, game consoles Phone/Speakerphone Package includes： 10xDigital Audio Amplifier Board ## Features - 🎵[Good quality]Excellent noise suppression, in the absence of circumstances connected to input audio ear close to the speaker can not hear any noise, two-channel stereo, 5V power supply can output 3W 3W power, can directly drive 4Ω, 8Ω small speakers, the output power large, full of energy, good sound quality. - 🎵[Design compact]Super mini volume: 18.5 x 21.1mm/0.83 x 0.73in. Can be easily placed in a variety of digital products within a small space, high efficiency amplification. Double panel wiring, properly solve the wiring caused by the potential balance and crosstalk between channels - 🎵[Class D amplifier]Type D power amplifier has very high amplification efficiency, sound quality will not be effected by temperature rise, no need of heat sink. Build-in noise reduction circuit, no noise when power on/off, supports short circuit, over current and over temperature protection. - 🎵[Note]Left and right channel output "negative" can not be connected together, otherwise it will burn IC, and should be connected before the horn (load). Rated working voltage 2.5 ~ 5V, the limit working voltage 5.5V - 🎵[Package includes]You will get 10 x PAM8403 Digital Audio Amplifier Board 3W+3W Class-D Dual Channel Amplifier Module. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | DAOKAI | | Part number | WE-DA-134 | | Item Weight | 30 g | | Package Dimensions | 16.5 x 5.6 x 1.1 cm; 30 Grams | | Item model number | WE-DA-134 | | Colour | Audio Amplifier Board | | Voltage | 5.5 Volts | | Plug profile | Panel Mount | | Included components | 10 x Digital Audio Amplifier Board | | Batteries included? | No | | Batteries Required? | No | ## Images ![DAOKAI10Pcs PAM8403 Digital Audio Amplifier Board Super Small Power Amplifier Module 3W+3W Class-D Dual Channel Amplifier Board 2.5V-5.5V USB Powered High Efficiency 90% - Image 1](https://m.media-amazon.com/images/I/71-eBkZK2WL.jpg) ![DAOKAI10Pcs PAM8403 Digital Audio Amplifier Board Super Small Power Amplifier Module 3W+3W Class-D Dual Channel Amplifier Board 2.5V-5.5V USB Powered High Efficiency 90% - Image 2](https://m.media-amazon.com/images/I/71ZLxuIs5nL.jpg) ![DAOKAI10Pcs PAM8403 Digital Audio Amplifier Board Super Small Power Amplifier Module 3W+3W Class-D Dual Channel Amplifier Board 2.5V-5.5V USB Powered High Efficiency 90% - Image 3](https://m.media-amazon.com/images/I/61wc6-3s5CL.jpg) ![DAOKAI10Pcs PAM8403 Digital Audio Amplifier Board Super Small Power Amplifier Module 3W+3W Class-D Dual Channel Amplifier Board 2.5V-5.5V USB Powered High Efficiency 90% - Image 4](https://m.media-amazon.com/images/I/7193XbNgeHL.jpg) ![DAOKAI10Pcs PAM8403 Digital Audio Amplifier Board Super Small Power Amplifier Module 3W+3W Class-D Dual Channel Amplifier Board 2.5V-5.5V USB Powered High Efficiency 90% - Image 5](https://m.media-amazon.com/images/I/71ernWJXtFL.jpg) --- ## 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.sn/products/482733593-daokai10pcs-pam8403-digital-audio-amplifier-board-super-small-power-amplifier](https://www.desertcart.sn/products/482733593-daokai10pcs-pam8403-digital-audio-amplifier-board-super-small-power-amplifier) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-06-01*