PAM8403 Class D Digital Power Amplifier Board 

The PAM8403 is a 2-channel, 3W, class-D audio amplifier module that features low harmonic distortion and high efficiency. 

It offers low THD+N, allowing it to achieve high-quality sound reproduction. 

Operating voltage for this module range from 2.5 V to 5.5 V, making it ideal for adding the audio capability to your projects.

Pinout Configuration:

1. +OUT_L - Left Channel Positive Output
2. -OUT_L - Left Channel Negative Output
   
3. INL - Left Channel Input
   
4. INR - Right Channel Input
   
5. -OUT_R - Right Channel Negative Output
   
6. +OUT_R - Right Channel Positive Output
   
7. 5V - Positive Supply
   
8. GND - Ground Pin
   

Specifications:

• 2 channels 3 W PAM8403 audio amplifier
• Output Power: 3 W + 3 W (at 4 ohm)
• Working Voltage: 2.5 to 5.5 V
• Board Size: 24 x 15 mm
• High amplification efficiency 85%
• Unique without LC filter class D digital power board
• Can use computer USB power supply directly 

Package Includes:

• 1 x PAM8403 Class D Digital Power Amplifier Board

Please Note: DIY electronics are meant for those with basic electrical knowledge and soldering skills. DIY electronics do not include lead wires, instructions or warranties.

Before placing your order, please make sure you are fully aware of the shipping policy outlined here: Shipping Policy