Bluetooth 5.0 MP3 Decoder Amplifier Board 2×40W DC7-20V

Bluetooth 5.0 MP3 Decoder Audio Amplifier Board – 2×40W with Mic & FM Radio

Take your DIY audio projects to the next level with this versatile Bluetooth 5.0 MP3 Decoder Amplifier Board by Gaqqee. Delivering a powerful 2×40W stereo output and a wide DC 7V–20V supply range (12V recommended), this compact module is perfect for custom speaker builds, home audio systems, and electronics enthusiasts who want rich, lossless sound with modern wireless convenience.

Made in Mainland China.

Key Features

• Bluetooth 5.0 Connectivity: Stable, low-latency wireless audio streaming from any Bluetooth-enabled device.
• Lossless Multi-Format Decoding: Supports MP3, WMA, WAV, FLAC, and APE for high-fidelity playback.
• 2×40W Stereo Amplification: Impressive dual-channel output for clear, room-filling sound.
• Built-In Microphone Input: Microphone connection function for hands-free or voice-enabled applications.
• FM Radio Reception: Auto-scan FM tuner covering 87.5 MHz – 108.0 MHz.
• Recording Capability: Record from audio input, FM radio, or Bluetooth directly to a USB drive or TF card.
• Colour Digital Display: Easy-to-read screen for track, mode, and volume information at a glance.
• Power-Off Memory: Resumes playback from where you left off after a power cycle.
• 6 EQ Sound Modes: Classical, Jazz, Rock, Bass Boost, Pop, and Normal.
• Low Power Consumption: Efficient design minimises heat and energy use.
• Wide Voltage Input: DC 7V–20V (12V recommended) for flexible project integration.

Multiple Playback Modes

Cycle through USB / TF Card / FM Radio / Audio Input / Bluetooth using the MODE button. Long-press MODE to start recording; press again to stop and auto-play recorded files. A USB drive or TF card must be connected during recording.

Button Controls at a Glance

• PAUSE: Short press = play/pause; Long press = FM auto-tune
• VOL–: Short press = previous track; Long press = volume down; Double-press = previous folder
• VOL+: Short press = next track; Long press = volume up; Double-press = next folder
• REPEAT: Press once = single-track repeat; Press again = sequential playback
• EQ: Cycles through 6 equaliser presets
• MODE: Switches input source / starts and stops recording

Specifications

Package Contents

• Amplifier Module × 1
• Remote Control × 1
• Terminal Cables × 4

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Frequently Asked Questions

Q: What power supply voltage is recommended for the Bluetooth 5.0 MP3 Decoder Amplifier Board?

A: The board operates across a wide range of DC 7V–20V. A 12V power supply is recommended for optimal performance and output stability.

Q: What audio formats does this MP3 decoder amplifier board support?

A: This board supports lossless and compressed audio formats including MP3, WMA, WAV, FLAC, and APE, giving you excellent versatility for high-quality music playback.

Q: Can I record audio using this amplifier module?

A: Yes! The module features a built-in recording function that works with Bluetooth audio, FM radio, and external audio input sources. Simply connect a USB drive or TF card before initiating recording via a long press of the MODE button.

Q: Does this board work with a microphone?

A: Yes, the board includes a microphone connection function, making it suitable for hands-free setups or projects that require voice input alongside audio playback.

Production & Packaging Notice

To 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.