Bluetooth 5.0 PAM8403 Amplifier Board 5W×2 DIY Speaker
Bluetooth 5.0 PAM8403 Amplifier Board 5W×2 DIY Speaker
Bluetooth 5.0 PAM8403 Power Amplifier Board – 5W×2 DIY Wireless Speaker Module
Build your own high-fidelity wireless speaker with this compact Bluetooth 5.0 PAM8403 amplifier board. Delivering a clean 5W + 5W stereo output, this surface-mount (SMD) module is ideal for hobbyists, engineers, and makers who want a powerful, low-noise audio solution in a tiny footprint. Its ultra-clear audio performance and wide operating temperature range make it a reliable core component for any DIY speaker project.
Key Features
- Bluetooth 5.0 – Low-latency, stable wireless audio streaming with extended range
- PAM8403 Chip – Class-D amplifier for efficient, high-quality stereo sound with minimal heat generation
- 5W × 2 Stereo Output – Punchy, clear audio for small to medium speaker builds
- DC 5V Supply Voltage – Powers conveniently from USB power banks, chargers, or microcontroller supply rails
- Wide Operating Temperature – Rated from -40°C to +85°C for robust, all-environment use
- Compact SMD Package – Easy to integrate into custom enclosures, breadboards, or PCB projects
- No High-Concern Chemicals – Clean, safe construction for worry-free handling
- New Condition – Ships as a single board, ready to integrate into your build
Specifications
| Bluetooth Version | 5.0 |
| Amplifier IC | PAM8403 (Class-D) |
| Output Power | 5W × 2 (Stereo) |
| Supply Voltage | DC 5V |
| Package Type | SMD |
| Operating Temperature | -40°C to +85°C |
| Quantity | 1 Board |
| Country of Origin | Made in Mainland China |
Perfect For
- DIY Bluetooth speaker builds
- Raspberry Pi / Arduino audio projects
- Desktop computer speaker upgrades
- Portable speaker enclosure projects
- Maker, hobbyist, and electronics prototyping
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Frequently Asked Questions
Q: What speakers can I connect to this PAM8403 Bluetooth amplifier board?
A: This amplifier board is compatible with most passive speakers rated at 4Ω to 8Ω impedance. It delivers up to 5W per channel, making it ideal for small to medium DIY speaker enclosures commonly used in hobbyist audio projects.
Q: Does this Bluetooth 5.0 amplifier board require any additional components to work?
A: The board is designed as a self-contained module. You will need a DC 5V power source (such as a USB power supply or power bank), passive speakers, and optionally an enclosure. No soldering of complex circuits is required — simply connect your speakers and power to get started.
Q: Is the Bluetooth 5.0 connection on this board stable for continuous audio streaming?
A: Yes. Bluetooth 5.0 provides a significantly more stable and low-latency connection compared to older Bluetooth versions, making it well-suited for continuous wireless audio streaming from smartphones, tablets, computers, and other Bluetooth-enabled devices.