
Component
PAM8403 Amplifier
The PAM8403 is a 3W Class-D stereo audio amplifier module designed for 5V operation, offering high efficiency and low distortion for compact audio projects.
₹71.00
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₹71.00
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About PAM8403 Amplifier
The PAM8403 is a high-efficiency 3W Class-D stereo audio amplifier IC, ideal for battery-powered portable audio devices. It operates from a single 2.5V to 5.5V power supply, making it perfect for Arduino, Raspberry Pi, and other low-voltage electronics projects. This amplifier features a filterless architecture that reduces external component count and board size while delivering clear, high-quality sound with low THD+N. Common applications include mini speakers, Bluetooth speaker builds, intercoms, and toy audio systems. Choose this module for its compact size, built-in thermal protection, and ability to drive two 3W+3W stereo channels with minimal power consumption, ensuring long battery life and reliable performance in your DIY electronics.
Technical Specifications
| Operating Voltage | 2.5V ~ 5.5V DC |
|---|---|
| Output Power | 3W + 3W (Stereo) |
| Amplifier Class | Class-D |
| Gain | 24 dB |
| Efficiency | Up to 87% |
| THD+N | 0.1% (Typical) |
| Current Consumption | ~0.08A (Idle) |
| Load Impedance | 4Ω - 8Ω |
| Package Type | SOP-16 / Module |
| Operating Temperature | -40°C to +85°C |
| Channels | 2 (Stereo) |
| Filterless Architecture | Yes |
Alternative Components
LM386
TDA2822
NS4168
HT6872









