MP3 Bluetooth 5V Audio Amplifier Board 5W Output | USB + TF + FM Radio + Bluetooth Player | Lithium Battery Charging Supported
₨ 275
🔹 Connectivity & Playback
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Bluetooth music playback with fast device pairing
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Supports TF card + USB flash drive (MP3 format, FAT32)
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Built-in FM radio with auto scanning
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Multi-input audio convenience in one board
🔹 Power & Output
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5V DC power input (Micro USB)
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Drives 5W speakers with clear audio output
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Supports rechargeable 3.7–4.2V lithium battery
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Integrated charging protection and indicator LEDs
🔹 Controls & Function Buttons
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Play/Pause, Next/Previous, Volume Up/Down
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Mode switching between Bluetooth / USB / TF / FM
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Auto play when USB or TF card is inserted
🔹 Build & Design
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Compact 69 × 20 mm PCB size – easy installation
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Stable signal performance & low power consumption
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Ideal for hobbyists, DIY builders, and audio upgrades
Upgrade your DIY speaker projects with the V109 Multifunction Bluetooth Audio Amplifier Board, designed for clear sound output, stable wireless connectivity, and multiple audio playback options.
This compact decoding board integrates Bluetooth receiver, audio amplifier, USB/TF card player, FM radio, and lithium battery charging system — all in one PCB. With a powerful 5V input and 3W to 5W speaker drive capability, it meets all portable audio requirements with excellent efficiency and sound quality.
Whether you’re building your own wireless speaker, repairing an old sound system, or working on student electronics projects, this module provides reliable performance, fast pairing, and flexible power options. Its built-in charging circuit supports 3.7V lithium batteries, making it ideal for portable and rechargeable speaker designs.
Make your audio projects smarter, more powerful, and fully wireless with the V109 Bluetooth Audio Decoder Board.













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