DC5V 3.7V TWS Bluetooth Amplifier Board – 2×10W Hi-Fi Stereo

Upgrade your DIY audio projects with this compact DC5V/3.7V TWS Stereo Bluetooth Amplifier Board. Delivering 2×10W dual-channel Hi-Fi audio power, this versatile PCB board makes it easy to build wireless Bluetooth speakers, modify home audio systems, or prototype electronics projects — all without the hassle of complicated wiring.

Made in Mainland China.

Key Features

• Wireless Bluetooth Connectivity: Pair effortlessly via Bluetooth — no complex cable routing required. A modern, wireless alternative to traditional wired audio setups.
• Hi-Fi Dual-Channel Output: 2×10W stereo power amplification with advanced audio processing technology delivers clear, detailed, and dynamic sound quality for audiophile-grade listening.
• Flexible Power Input: Compatible with DC5V (USB) and 3.7V lithium battery input, making it ideal for both portable and desktop applications.
• Adjustable Volume Control: Built-in volume adjustment gives you precise control over your audio output.
• Compact & Lightweight: Small PCB form factor fits neatly into DIY enclosures and speaker builds.
• Professionally Tested: Each board undergoes quality assurance testing before shipping, so you can build with confidence.

Specifications

Ideal Applications

• DIY Bluetooth speaker builds
• Portable audio system construction
• Home audio equipment modification
• Small stereo prototype development
• Electronics experiment and teaching projects

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Note: Product images are for reference only and may not reflect exact dimensions or color due to monitor variation. Please allow minor measurement differences due to manual measurement.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What power sources are compatible with this Bluetooth amplifier board?

A: This amplifier board supports two input options: DC5V (standard USB power) and 3.7V lithium battery. This dual compatibility makes it suitable for both stationary home audio projects and portable, battery-powered speaker builds.

Q: What is TWS and how does it work on this board?

A: TWS stands for True Wireless Stereo. This technology allows two amplifier boards to be wirelessly paired together to deliver synchronized left and right stereo channels, making it perfect for building truly wireless stereo speaker systems without running audio cables between units.

Q: Is this board suitable for beginners in DIY electronics?

A: Yes! The board is compact, lightweight, and designed for straightforward installation. It comes with a set of connecting cables, and its plug-and-play Bluetooth connectivity means you don't need complex wiring knowledge to get started with your DIY audio project.

Q: What speakers can I connect to this amplifier board?

A: This board is designed to drive passive speakers with compatible impedance ratings. It delivers 2×10W per channel, making it well-suited for small-to-medium sized DIY speaker enclosures used in home or portable audio setups.

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.