{"product_id":"3w-bluetooth-4-1-mp3-audio-receiver-amplifier-board-usb-tf-ir-remote","title":"3W Bluetooth 4.1 MP3 Audio Receiver Amplifier Board | USB TF","description":"\u003ch2\u003e3W Bluetooth 4.1 MP3 Decoding Board – Wireless Audio Amplifier Module\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY audio projects with this compact \u003cstrong\u003e3W Bluetooth 4.1 MP3\/WAV Decoding Board\u003c\/strong\u003e. Designed for car audio systems, portable speakers, and custom electronics builds, this all-in-one audio receiver and amplifier module delivers clear, reliable wireless sound with multiple input options. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 4.1 Wireless Audio:\u003c\/strong\u003e Seamlessly stream music from smartphones, tablets, and other Bluetooth-enabled devices with stable, low-latency connectivity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Format Decoding:\u003c\/strong\u003e Supports MP3 and WAV audio formats for broad compatibility with your music library.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Input Sources:\u003c\/strong\u003e Works with USB drives, TF\/microSD cards, and U-DISK storage — so you can play music directly without a phone.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIR Remote Control Support:\u003c\/strong\u003e Conveniently control playback, volume, and track selection from a distance using an IR remote.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3W Amplifier Output:\u003c\/strong\u003e Built-in speaker amplifier drives small speakers directly — no separate amp needed for portable or car audio builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Voltage:\u003c\/strong\u003e Operates on 3.7V–5V, making it compatible with USB power banks, Li-ion batteries, and 5V regulators.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature Range:\u003c\/strong\u003e Rated from -40°C to 80°C, suitable for in-car installations and outdoor enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact SMD Package:\u003c\/strong\u003e Small form factor fits neatly into DIY enclosures, dashboard builds, and custom speaker cabinets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Free from high-concern chemical substances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Version:\u003c\/strong\u003e 4.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDissipation Power:\u003c\/strong\u003e 3W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3.7V – 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to 80°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio Formats:\u003c\/strong\u003e MP3, WAV\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Sources:\u003c\/strong\u003e USB, TF Card, U-DISK, Bluetooth, IR Remote\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SMD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY car audio upgrades and dashboard speaker builds\u003c\/li\u003e\n  \u003cli\u003eCustom Bluetooth speaker projects\u003c\/li\u003e\n  \u003cli\u003eMaker and hobbyist electronics builds\u003c\/li\u003e\n  \u003cli\u003ePortable battery-powered audio systems\u003c\/li\u003e\n  \u003cli\u003eRetro audio equipment upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/clip-on-car-fan-led-display-199-speeds-usb-type-c\"\u003eClip-On Car Fan LED Display 199 Speeds | USB \u0026amp; Type-C\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What audio file formats does this Bluetooth MP3 decoding board support?\u003c\/h4\u003e\n\u003cp\u003eA: This Bluetooth 4.1 audio receiver module supports both MP3 and WAV audio formats. You can play files stored on a USB drive, TF\/microSD card, or U-DISK storage device, or stream wirelessly via Bluetooth from any compatible smartphone or tablet.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply does this amplifier board require?\u003c\/h4\u003e\n\u003cp\u003eA: The board operates on a supply voltage of 3.7V to 5V. It is compatible with standard USB 5V power sources, Li-ion battery packs (3.7V), and regulated power supplies — making it very flexible for both portable and fixed installations.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this module in a car audio or DIY speaker build?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The 3W built-in amplifier is designed to drive small speakers directly, making it ideal for car audio upgrades, custom Bluetooth speaker enclosures, and maker\/hobbyist electronics projects. The wide operating temperature range (-40°C to 80°C) makes it well-suited for in-vehicle use.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this board come with an IR remote control?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports IR remote control input for wireless playback control. Please check product listing details for whether a remote is included, as this may vary by package option.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What audio file formats does this Bluetooth MP3 decoding board support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This Bluetooth 4.1 audio receiver module supports both MP3 and WAV audio formats. 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