The Kebidu 747D Bluetooth MP3 Decoder Board is an all-in-one audio solution designed to add modern wireless connectivity and digital playback to any amplifier or older audio system. It’s a favorite for DIY speaker builds and car stereo upgrades due to its sleek design and comprehensive feature set.
Core Product Highlights
- 5-in-1 Multimedia Playback: Supports five different audio sources, including Bluetooth 5.0, USB flash drives, TF/Micro SD cards, FM Radio, and a front-facing 3.5mm AUX input.
- Wireless Bluetooth 5.0: Features the latest Bluetooth chip for a stable, high-quality wireless connection with a range of up to 10 meters, compatible with all smartphones and tablets.
- Hands-Free Calling: Includes a built-in microphone and supports Bluetooth hands-free calls, allowing you to answer the phone safely while driving or working.
- Lossless Audio Decoding: Compatible with multiple formats, including MP3, WMA, WAV, and high-fidelity FLAC/APE formats for a premium listening experience.
- Full Remote Control: Comes with an infrared remote that allows you to switch modes, adjust volume, change EQ presets, and skip tracks from across the room.
- Recording Function: Supports recording audio from the FM radio or AUX input directly onto a connected USB or TF card (requires a storage device to be inserted).
- Power-Off Memory: Automatically remembers the last played track and volume level when the power is turned off, so you can pick up exactly where you left off.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | Kebidu 747D |
| Operating Voltage | DC 5V or 12V (Check your specific model) |
| Bluetooth Version | 5.0 |
| Radio Frequency | 87.5 MHz – 108.0 MHz |
| Panel Size | Approx. 106mm x 25mm |
| Audio Output | Stereo Analog Signal (Requires an amplifier) |
Best For:
- DIY Bluetooth Speakers: The perfect front-panel interface for custom-built portable speakers.
- Car Audio Upgrades: Easily add Bluetooth and USB playback to older car head units that only have a radio or CD player.
- Vintage Radio Restoration: Modernize antique radios by hiding this module inside to add wireless capabilities.
Quick Installation Tip
This board does not have a built-in power amplifier. You must connect the "Audio Out" pins on the back to an external amplifier board or the "AUX In" of an existing stereo system to hear sound through speakers.
