PAM8403 5V Two-channel Stereo Mini Class-D 3W+3W Audio Amplifier

25.00 EGP

The PAM8403 is a high-efficiency, low-noise, and compact Class-D audio amplifier module capable of delivering 3W + 3W stereo output power. It operates on a 5V DC power supply and is ideal for DIY audio projects, portable speaker systems, and embedded electronics applications where space and power efficiency are critical.
SKU: MD-31168 Category: Tags: ,

Description

Key Features:

  • Output Power: 3W + 3W stereo at 10% THD with 4Ω load and 5V supply

  • Power Supply Voltage: 2.5V – 5.5V DC (Recommended: 5V)

  • Class-D Amplifier: High efficiency up to 90%

  • Low THD: Total Harmonic Distortion is less than 10%

  • Onboard Volume Control: Optional volume knob versions available

  • Ultra-compact Size: Easy to integrate into small electronics enclosures

  • Short-circuit and Thermal Protection: Built-in safety mechanisms

  • No Heat Sink Required: Due to high efficiency and low heat output

Specifications:

  • Chipset: PAM8403

  • Channels: 2 (Stereo)

  • Output Impedance: 4Ω to 8Ω

  • Signal-to-Noise Ratio: > 90dB

  • Efficiency: > 85%

  • Dimensions: Approx. 21mm x 18mm

Applications:

  • DIY Bluetooth speaker projects

  • Portable audio devices

  • MP3/MP4 player audio booster

  • Embedded systems with sound output

  • Toys, intercoms, or alarm systems requiring audio amplification

Note: Make sure to use a regulated 5V power source to avoid damage to the module.