{"product_id":"gpd2846a-mp3-decoder-module-microsd-tf-card-2w-class-d-amplifier","title":"GPD2846A MP3 Decoder Module MicroSD 2W Class-D Amplifier 5V","description":"\u003ch2\u003eGPD2846A MP3 Decoder Module with MicroSD TF Card Slot \u0026amp; 2W Class-D Amplifier\u003c\/h2\u003e\n\u003cp\u003eAdd clear, crisp audio playback to your next electronics project with the \u003cstrong\u003eGPD2846A MP3 Decoder Module\u003c\/strong\u003e. Built around the reliable GPD2846A chip, this compact SMD module decodes MP3 audio files stored on a MicroSD (TF) card and drives a speaker directly through its built-in \u003cstrong\u003e2W Class-D amplifier\u003c\/strong\u003e — all from a simple 5V USB or regulated power supply. Whether you're building a DIY music player, a custom alarm system, a voice-prompt device, or an interactive Arduino project, this module delivers clean sound output with minimal external components required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGPD2846A Decoder Chip\u003c\/strong\u003e — Reliable MP3 decoding with stable performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicroSD \/ TF Card Slot\u003c\/strong\u003e — Easily load and swap audio files via standard MicroSD cards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2W Class-D Amplifier\u003c\/strong\u003e — Energy-efficient amplification for driving small speakers directly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5V Power Supply\u003c\/strong\u003e — Compatible with USB power banks, Arduino 5V pins, and regulated DC supplies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package\u003c\/strong\u003e — Compact form factor, ideal for space-constrained PCB designs and prototypes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino Compatible\u003c\/strong\u003e — Straightforward integration with Arduino, Raspberry Pi, and other microcontroller platforms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable\u003c\/strong\u003e — Supports custom configurations to suit a wide variety of project requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGPD2846A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplifier Output Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2W Class-D\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMicroSD \/ TF Card Slot\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Platforms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino, Raspberry Pi, and general microcontrollers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Can You Build With It?\u003c\/h3\u003e\n\u003cp\u003eThis module is a go-to component for hobbyists, students, and engineers alike. Common applications include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY portable MP3 \/ music players\u003c\/li\u003e\n  \u003cli\u003eArduino-based sound effect triggers\u003c\/li\u003e\n  \u003cli\u003eVoice announcement and alert systems\u003c\/li\u003e\n  \u003cli\u003eInteractive toys and educational kits\u003c\/li\u003e\n  \u003cli\u003eHome automation audio feedback modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eComplete your DIY electronics or maker projects with these popular store picks:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100-200pcs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the GPD2846A MP3 Decoder Module do?\u003c\/h4\u003e\n\u003cp\u003eA: The GPD2846A MP3 Decoder Module reads MP3 audio files from a MicroSD (TF) card and decodes them for playback through its onboard 2W Class-D amplifier, allowing you to connect a small speaker and output audio directly — no separate amplifier board required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply does the GPD2846A module require?\u003c\/h4\u003e\n\u003cp\u003eA: The module operates on a standard 5V DC power supply, making it fully compatible with USB power sources, Arduino 5V output pins, and common regulated power adapters used in hobbyist and prototyping environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the GPD2846A module compatible with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The GPD2846A MP3 Decoder Module is designed for easy integration with Arduino boards and other popular microcontroller platforms such as Raspberry Pi. Its simple interface and 5V operation make it a seamless addition to most DIY electronics projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What audio file format does this module support?\u003c\/h4\u003e\n\u003cp\u003eA: The module is designed to decode and play MP3 format audio files stored on a MicroSD (TF) card. Simply load your MP3 files onto the card, insert it into the slot, and power the module to begin playback.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the GPD2846A MP3 Decoder Module do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The GPD2846A MP3 Decoder Module reads MP3 audio files from a MicroSD (TF) card and decodes them for playback through its onboard 2W Class-D amplifier, allowing you to connect a small speaker and output audio directly — no separate amplifier board required.\"}}, {\"@type\": \"Question\", \"name\": \"What power supply does the GPD2846A module require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module operates on a standard 5V DC power supply, making it fully compatible with USB power sources, Arduino 5V output pins, and common regulated power adapters used in hobbyist and prototyping environments.\"}}, {\"@type\": \"Question\", \"name\": \"Is the GPD2846A module compatible with Arduino?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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