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The PAM8403 Mini Stereo Audio Amplifier is a highly efficient, compact Class-D amplifier module designed to deliver crisp, low-noise stereo sound. With a 3W + 3W output power and a simple 5V input, it is ideal for DIY audio projects, portable speakers, embedded applications, and low-power systems.
This module’s filterless design eliminates the need for external low-pass components, making it space- and cost-efficient. Its Class-D efficiency results in low heat generation even under continuous operation, making it suitable for battery-powered audio systems.
🔧 Key Features
- Compact PAM8403 Mini Stereo Audio Amplifier Module
- Delivers 3W + 3W stereo output at 5V supply
- Class-D architecture ensures high efficiency and low heat
- Filterless output reduces component count and cost
- Excellent audio fidelity with low noise and distortion
- Perfect for Arduino audio projects, mini speakers, and more
📐 Technical Specifications
| Product Name | PAM8403 Mini Stereo Audio Amplifier |
| Amplifier Type | Class-D, Stereo |
| Output Power | 3W + 3W at 4Ω, 5V |
| Operating Voltage | 4.5V – 5.5V DC |
| Signal-to-Noise Ratio (SNR) | > 90 dB |
| Efficiency | > 85% |
| Channel Configuration | 2-channel stereo output |
| Board Dimensions | Approx. 20mm × 15mm |
📌 Applications
- DIY portable Bluetooth and USB speakers
- Embedded audio in IoT devices
- Arduino-based sound projects
- Battery-powered audio systems
- Class-D amplifier teaching modules
💡 Why Choose the PAM8403 Amplifier?
The PAM8403 Mini Stereo Audio Amplifier combines low power consumption, excellent audio performance, and minimal component requirements in a tiny footprint. It’s perfect for anyone building custom audio projects where space, efficiency, and sound clarity matter.
📦 Package Includes
- 1 × PAM8403 5V Mini Stereo Audio Amplifier Module – 3W + 3W
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