DIY Bluetooth Speaker Soldering Kit – Stereo Electronics Project

Build Your Own Bluetooth Stereo Speaker – DIY Soldering Kit

Take your electronics skills to the next level with this hands-on DIY Bluetooth Speaker Soldering Kit. Designed for students, hobbyists, and electronics enthusiasts, this all-in-one kit lets you assemble a fully functional stereo Bluetooth speaker from scratch — making it a perfect teaching aid or personal project challenge. Made in Mainland China.

Why You'll Love This Kit

• Bluetooth Connectivity: Pair wirelessly with your smartphone or tablet. Simply scan for "XC-046" in your Bluetooth menu and connect instantly. When Bluetooth is disconnected, the kit automatically switches to USB flash drive playback.
• Remote-Controlled Volume: Power on/off and volume can be conveniently managed via the included remote control.
• Full-Range 3W + 3W Stereo Output: Features two full-frequency speakers with PU edge and silver-black diaphragm (40-magnet, 4Ω, 3W each) for clear, rich stereo sound quality.
• Rhythm-Synced LED Lights: Built-in voice-activated LED lights pulse and flow in sync with the music — the louder the sound, the brighter and faster the light display.
• Crystal-Clear Acrylic Shell: The enclosure is crafted from 6 pieces of 3mm high-transparency acrylic for a sleek, modern look. Simply peel off the brown protective film before assembling.
• Multiple Playback Modes: Supports Bluetooth streaming, USB flash drive playback, and power-off memory — your last mode is remembered even after powering down.
• USB Powered: Operates on a 5V DC supply (DC 4.2–5V). Power via a standard 5V/2A mobile phone charger or computer USB port. Best sound quality is achieved with a 2A power supply.

Technical Specifications

• Output Channels: 2-Channel Stereo
• Output Power: 3W + 3W
• Supply Voltage: DC 4.2–5V (Do NOT exceed 5V — this may damage the module)
• Rated Current: 0.5A–2A
• Speaker: Full-frequency, PU edge, 4Ω, 3W, 40-magnet
• Shell Material: 6-piece, 3mm high-transparency acrylic
• Wiring: White terminal → speaker; Red terminal → power supply (Red = positive +, Black = negative –)
• Package Contents: 1× Complete DIY Bluetooth Speaker Kit (includes USB power cord; Bluetooth circuit boards are pre-soldered)

Perfect for Learning & Teaching

This kit is an excellent introduction to electronics soldering, circuit assembly, and audio technology. The Bluetooth circuit boards come pre-soldered, so you'll focus on wiring connections and assembling the sound control board — ideal for beginners and classroom settings alike. Always follow the included instructions carefully; incorrect wiring may prevent the amplifier from functioning correctly.

Important Notes

• All parts require self-assembly. Follow the instruction manual step by step.
• Remove the brown protective film from the acrylic panels before assembling the shell.
• Do NOT supply more than 5V to the module — overvoltage will damage components.
• Recommended power: 5V / 2A USB charger or computer USB port for optimal audio performance.

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Learn more: ENERGY STAR product efficiency guidance

Frequently Asked Questions

Q: Do I need prior soldering experience to assemble this DIY Bluetooth speaker kit?

A: Some basic familiarity with soldering is helpful, but this kit is designed to be beginner-friendly. The Bluetooth circuit boards come pre-soldered, so you mainly need to connect the wiring and assemble the acrylic shell and sound control board. Following the included instructions carefully is essential for a successful build.

Q: What power supply do I need for the DIY Bluetooth speaker kit?

A: The kit requires a 5V DC power supply (DC 4.2–5V). You can use a standard 5V mobile phone charger or a computer USB port. A 2A current output is recommended for the best audio performance. Never exceed 5V, as this can damage the module.

Q: Can I play music from a USB flash drive as well as via Bluetooth?

A: Yes! The kit supports both Bluetooth wireless streaming and USB flash drive playback. When Bluetooth is disconnected, the speaker automatically switches to USB flash drive mode. It also features power-off memory, so it remembers your last playback mode.

Q: Is the DIY Bluetooth speaker kit suitable for classroom or teaching use?

A: Absolutely. This kit is specifically designed for electronics teaching and training. It covers key concepts such as circuit assembly, wiring, soldering practice, and audio amplification — making it an ideal hands-on project for schools, workshops, and hobbyist groups.