mini DC 5v 3W digital power class d audio amplifier module 8403 printed board assem for custom printed circuit board

Feature:

• 3W Output at 10% THD with a 4ohm Load and 5V Power Supply
• Filterless, Low Quiescent Current and Low EMI
• Low THD+N
• Superior Low Noise
• Efficiency up to 90%
• Short Circuit Protection
• Thermal Shutdown
• Few External Components to Save the Space and Cost
• Pb-Free Package

electronic board assembly description is the board adopts the PAM8403 typical circuit design as follow:

• using of MICRO USB power supply (reserved welding wire interface)
• resistance container parts adopt standardized SMT process
• with very convenient to use universal mobile phone charger for the power supply, ,
• simple and stable design special interface for bluetooth audio receiver module, can easily DIY little bluetooth speakers
• That board can pick up 8 ohm 4 ohm small speakers, suitable for all frequency horn or full frequency small speakers.

flex pcb assembly application:

• LCD TVs, monitors,
• Laptop
• Portable Speakers
• Portable DVD players, game consoles
• Phone / speakerphone