✅ Product Description

Product Name: PAM8403 Class-D Dual-Channel Amplifier Module

Product Description:
The PAM8403 amplifier module is a compact and highly efficient stereo Class-D amplifier that delivers 3 W + 3 W output power using a simple 5V supply. Perfect for DIY speaker projects, embedded audio applications, and portable sound systems, this module provides clear, low-distortion audio in an ultra-small footprint. Its filter-less architecture makes integration easy, ideal for hobbyists, students, and engineers building low-power audio devices.

🔧 Key Features & Specifications

• Amplifier Type: Class-D stereo amplifier module (PAM8403 chip)

• Output Power: 3W per channel (6W total)

• Recommended Voltage: 5V DC (operates from 2.5V to 5.5V)

• Speaker Compatibility: Supports 4Ω and 8Ω speakers

• High Efficiency: Up to 90%, ideal for battery-powered devices

• Low Distortion: Clear sound with low THD and noise

• Built-in Protection: Thermal shutdown and short-circuit protection

• Compact Size: Easy to embed into small DIY speaker boxes or electronic enclosures

• Input: Standard stereo audio input (L, R, GND)

🎯 Typical Applications

• DIY portable speakers

• Small stereo sound systems

• Raspberry Pi or microcontroller audio output

• MP3/Bluetooth audio projects

• Learning and training kits

• Toys and embedded audio devices

• Battery-powered mini amplifiers

• Alarm or notification audio modules

⭐ Why Choose the PAM8403 Amplifier Module?