Description: 1. The 5V DC Mini Class D Pam8403 USB Power Amplifier Board is a compact and efficient solution for amplifying power from USB sources, delivering up to 2A at 5V. 2. Featuring the Texas Instruments TAS5453 amplifier IC, it provides high efficiency with Class D operation, minimizing heat generation and reducing power consumption. 3. The board is compatible with various input voltage ranges, making it suitable for applications that require different voltage levels but still need a stable 5V output. 4. This USB power amplifier includes over-current protection, ensuring safe operation by preventing the input from supplying more current than the specified limit. 5. The compact form factor makes it ideal for portable and IoT projects where low power consumption and small size are essential. 6. With a simple design based on SMD components and easy-to-follow instructions, this amplifier board can be assembled within minutes, making it suitable for both hobbyists and professionals. 7. The
| Specification | Details |
|---|---|
| Power Input | 5V DC via USB connector |
| Amplifier Type | Class D amplifier |
| Frequency Response | 20 Hz - 20 kHz |
| Signal-to-Noise Ratio | >80 dB |
| THD+N (Total Harmonic Distortion + Noise) | <1% |
| Output Power | Up to 3W RMS with 4Ω load |
| Dynamic Range | Up to 90 dB |
| Connectors | USB connector speaker terminals |
| Dimensions | approximately 60mm x 50mm |
| Weight | approximately 20g |
| Operating Temperature | -20°C to +70°C |
| Certifications | FCC CE RoHS compliant |
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