Description
A compact digital stereo amplifier module based on the PAM8403 IC, delivering 3W per channel at 5V with high efficiency Class D performance.
Ideal for DIY audio projects, speaker builds, and low voltage applications.
This module includes an integrated volume potentiometer with on/off switch and upgraded 470µF power filtering for stable, noise-free audio output.
- Product: PAM8403 Stereo Amplifier Module
- Type: Class D Digital Audio Amplifier with Volume Potentiometer
- Quantity: 1 x Amplifier Board
- Based on the PAM8403 Class D amplifier IC
- Stereo output: 3W + 3W @ 5V, 4Ω load
- Wide input voltage range: 2.5V to 5V DC
- Integrated potentiometer for volume control with on/off function
- Low distortion and high signal-to-noise ratio
- Compact size, perfect for small enclosures and embedded projects
- Upgraded 470µF power capacitor for improved filtering
Specifications:
- Operating Voltage: 2.5V to 5V DC
- Output Power: 3W x 2 (at 5V, 4Ω load)
- IC: PAM8403
- Filtering Capacitance: 470µF
- Dimensions: 29.5mm x 20.2mm x 15mm
What’s Included:
- 1 x PAM8403 Mini Stereo Amplifier Module with Volume Control
Great For:
- DIY portable speaker projects
- Arduino and Raspberry Pi audio applications
- Replacing or upgrading small amp boards in gadgets
- Compact audio builds and embedded sound systems
Usage Tips:
- Use with USB power or battery packs (not exceeding 5V)
- Connect speakers rated 4Ω–8Ω
- Observe correct polarity when wiring VCC and GND
- Mount in a ventilated area if driving high volume continuously
