3W Bluetooth 4.1 MP3 Audio Receiver Amplifier Board | USB TF
3W Bluetooth 4.1 MP3 Audio Receiver Amplifier Board | USB TF
3W Bluetooth 4.1 MP3 Decoding Board – Wireless Audio Amplifier Module
Upgrade your DIY audio projects with this compact 3W Bluetooth 4.1 MP3/WAV Decoding Board. 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.
Key Features
- Bluetooth 4.1 Wireless Audio: Seamlessly stream music from smartphones, tablets, and other Bluetooth-enabled devices with stable, low-latency connectivity.
- Multi-Format Decoding: Supports MP3 and WAV audio formats for broad compatibility with your music library.
- Multiple Input Sources: Works with USB drives, TF/microSD cards, and U-DISK storage — so you can play music directly without a phone.
- IR Remote Control Support: Conveniently control playback, volume, and track selection from a distance using an IR remote.
- 3W Amplifier Output: Built-in speaker amplifier drives small speakers directly — no separate amp needed for portable or car audio builds.
- Wide Supply Voltage: Operates on 3.7V–5V, making it compatible with USB power banks, Li-ion batteries, and 5V regulators.
- Wide Operating Temperature Range: Rated from -40°C to 80°C, suitable for in-car installations and outdoor enclosures.
- Compact SMD Package: Small form factor fits neatly into DIY enclosures, dashboard builds, and custom speaker cabinets.
- No High-Concern Chemicals: Free from high-concern chemical substances.
Specifications
- Bluetooth Version: 4.1
- Dissipation Power: 3W
- Supply Voltage: 3.7V – 5V
- Operating Temperature: -40°C to 80°C
- Audio Formats: MP3, WAV
- Input Sources: USB, TF Card, U-DISK, Bluetooth, IR Remote
- Package: SMD
- Condition: New
- Country of Origin: Made in Mainland China
Ideal For
- DIY car audio upgrades and dashboard speaker builds
- Custom Bluetooth speaker projects
- Maker and hobbyist electronics builds
- Portable battery-powered audio systems
- Retro audio equipment upgrades
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Frequently Asked Questions
Q: What audio file formats does this Bluetooth MP3 decoding board support?
A: 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.
Q: What power supply does this amplifier board require?
A: 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.
Q: Can I use this module in a car audio or DIY speaker build?
A: 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.
Q: Does this board come with an IR remote control?
A: 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.