--- product_id: 28821852 title: "HiLetgo 5pcs PAM8403 2X 3W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input" brand: "hiletgo" price: "€ 9.64" currency: EUR in_stock: true category: "Hi Letgo" url: https://www.desertcart.pt/products/28821852-hiletgo-5pcs-pam8403-2x-3w-mini-digital-power-amplifier-board store_origin: PT region: Portugal --- # 90% high-efficiency Class D amplification 1.85 x 2.11 cm ultra-compact size 3W + 3W stereo output power HiLetgo 5pcs PAM8403 2X 3W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input **Brand:** hiletgo **Price:** € 9.64 **Availability:** ✅ In Stock ## Summary > 🔊 Tiny Amp, Massive Impact – Elevate Your Sound Game Anywhere! ## Quick Answers - **What is this?** HiLetgo 5pcs PAM8403 2X 3W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input by hiletgo - **How much does it cost?** € 9.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/28821852-hiletgo-5pcs-pam8403-2x-3w-mini-digital-power-amplifier-board) ## Best For - hiletgo enthusiasts ## Why This Product - Trusted hiletgo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Noise? What Noise?:** Built-in noise suppression guarantees pure sound with zero background hiss or pops. - • **Plug & Play Versatility:** Powered directly via USB or mobile charger, perfect for DIY projects and portable gadgets. - • **Pocket-Sized Powerhouse:** Fits seamlessly into any compact digital device without sacrificing sound quality. - • **Energy-Smart Amplification:** Class D tech ensures 90% efficiency, keeping your device cool and battery life longer. - • **Crystal-Clear Stereo Output:** Dual-channel 3W per side delivers rich, distortion-free audio for immersive listening. ## Overview The HiLetgo PAM8403 amplifier board is a compact, dual-channel Class D amplifier delivering 3W per channel at 5V with 90% efficiency. Its ultra-small footprint (1.85 x 2.11 cm) and noise suppression make it ideal for embedding in portable electronics, powered via USB or mobile chargers. Designed for 4-8Ω speakers, it offers reliable, distortion-free stereo sound with built-in protections against short circuits and overheating. ## Description Features: Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply battery power can also be used high efficiency:90% can provide 3W (left channel) +3 W (right channel) output power in the 4 load and 5V power supply conditions A class, B class amplifier such efficiency is only about 30% D class amplifier is highly respected today D class amplifier efficiency is extremely high, not because of temperature affect the sound quality but do not add heat sink and take less space noise canceling circuit was built in the amplifier board power on / off without pop noise module has a short-circuit current protection and over-temperature protection Application: LCD TVs, monitors/Laptop/Portable Speakers/ Portable DVD players,/game consoles/ Phone / speakerphone Specifications: Operating voltage: 2.5V-5.5V Speaker With:4-8ohms recommended:4 ohms Speaker Power :2-8W Size:21 x 18 x 3.4mm(L x W x H) Color:As the pics show Net weight:1g Package Included: 5*Super Mini PAM8403 Digital Power Amplifier Board 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 ## Features - Super mini volume: 1.85 x 2.11 cm.Can be easily placed in a variety of digital products within a small space, high efficiency amplification - Dual-channel stereo, 5V power supply can output 3W +3 W power, can be directly driven 4Ω, 8Ω small speakers, the output power, enough energy, good sound quality. - Excellent noise suppression, no audio input in the case of ear close to the speaker can not hear any noise. - The unique Class D digital powerless board with LC filter can be powered directly from the computer's USB. - Double-panel wiring, properly solve the wiring caused by the potential balance and crosstalk between channels ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00LODGV64 | | Best Sellers Rank | #17,345 in Electronics ( See Top 100 in Electronics ) #78 in Audio Component Amplifiers | | Brand Name | HiLetgo | | Customer Reviews | 4.4 4.4 out of 5 stars (571) | | Item Dimensions | 0.82 x 0.7 x 0.13 inches | | Manufacturer | HiLetgo | | Material Type | Printed Circuit Board (PCB) materials, copper, and solder | | Maximum Output Power | 6 watts | | Maximum Supply Voltage | 5.5 volts_of_direct_current | | Minimum Supply Voltage | 2.5 volts | | Model | 3-01-0114 | | Mounting Type | Surface Mount | | Number of Channels | 2 | | Number of Items | 5 | | Number of Packs | 5 | | Output Power | 6 watts | | Package Type Name | individual small plastic bags or shrink wrap | | Part Number | 3-01-0114-10PCS | | UPC | 797698770550 | | Unit Count | 5 Count | | Voltage | 5 volts | ## Product Details - **Item dimensions L x W x H:** 0.82 x 0.7 x 0.13 inches - **Manufacturer:** HiLetgo - **Maximum Supply Voltage:** 5.5 volts_of_direct_current - **Minimum Supply Voltage:** 2.5 volts - **Voltage:** 5 volts ## Images ![HiLetgo 5pcs PAM8403 2X 3W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input - Image 1](https://m.media-amazon.com/images/I/71nnR8DiWhL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - HiLetgo 5pcs PAM8403 2x 3W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input - Dweii 4 PCS Speaker 3 Watt 8 Ohm Mini Speaker 8ohm 3w Loundspeaker Micro for Arduino with JST-PH2.0 Interface for Small Electronic Projects Advertising Machines LCD TV Monitors - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects --- ## 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.pt/products/28821852-hiletgo-5pcs-pam8403-2x-3w-mini-digital-power-amplifier-board](https://www.desertcart.pt/products/28821852-hiletgo-5pcs-pam8403-2x-3w-mini-digital-power-amplifier-board) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-28*