Sound Amplifier pam8403 Module - Stereo - 3W, 4 ohm - 90 dB

The PAM8403 stereo audio amplifier module is a compact and efficient solution for amplifying stereo sound in your electronics projects. Based on the PAM8403 integrated amplifier IC, it delivers 3W + 3W output into 4Ω loads with an efficiency of over 90%.

Specifications

• Supply Voltage: DC 2.5 - 5.5V
• Output Power: 3W + 3W (at 4Ω)
• Noise Ratio: 90 dB
• Efficiency: > 90%
• Output Type: CMOS BTL driver
• Dimensions: 2.3 cm × 1.6 cm × 0.2 cm
• Weight: 7 g

This module can be powered by a 5V USB supply or four 1.5V batteries. It is ideal for adding stereo sound to Arduino, Raspberry Pi, or ESP32 projects.