I will design mp3 bluetooth speaker pcb with audio amplifier and usb charging
PCB and Embedded system expert
About this Gig
HELLO AND WELCOME!!
Building a reliable Bluetooth speaker starts with more than connecting an amplifier to a battery. I will develop a compact, optimized MP3 Bluetooth speaker PCB engineered for clean audio, efficient power delivery, USB charging, and stable wireless operation.
What I will provide:
- Bluetooth audio + MP3 playback integration
- Class-D audio amplifier circuitry
- USB charging & Li-ion battery management
- Speaker protection & power filtering
- Volume/control interface integration
- Low-noise audio grounding & layout
- Complete schematic + PCB layout
- BOM with recommended components
- Manufacturing-ready Gerber files
Why choose me:
- Clean, production-ready PCB layout
- Practical component selection
- Noise-conscious audio routing
- Power integrity focused
- Design for easy assembly
Whether you're building a portable speaker, DIY audio product, or commercial prototype, I'll create the electronics around your requirements.
Ready to build your speaker? Send me your specifications, and let's get started!
FAQ
What type of Bluetooth speaker PCB can you develop?
I can develop portable MP3/Bluetooth speaker PCBs with audio amplification, battery power, USB charging, controls, and other required features.
Can you integrate a Class-D audio amplifier?
Yes. I can integrate an efficient Class-D amplifier with proper audio routing, filtering, grounding, and speaker protection.
Can you design the USB charging and battery circuit?
Yes. I can integrate Li-ion charging, battery protection, power regulation, and USB charging based on your battery requirements.
Will I receive manufacturing-ready PCB files?
Yes. Depending on the package, deliverables can include schematic, PCB layout, BOM, Gerber files, and other production files.

