PAM8403 Audio Amplifier With Volume Control

Description:

The PAM8403 Amplifier module differs from the conventional PAM8403 Amplifier board in this nodule it allows us to have more control over the output provided by the IC. It provides High-Defnition sound quality and highlights the benefits of digital chips the circuit uses the most reasonable peripheral arrangement and the power supply filter is increased to 470uf.

Specifications:

• Dual channel stereo output 3 w + 3 w power Class D
• Works with 2.5V-5v power supply
• Length: 29mm
• Width: 20mm
• The overall height after installation is about 16mm.
• High amplification efficiency 85%
• can directly drive 4 Ω/8 Ω small speakers
• Good sound quality  & noise suppression
• Unique without LC filter class D digital power board
• Can use computer USB power supply directly
• Small Size, can easily fit in a variety of products

Note:

• Input audio should be via shielded wire for best performance.
• Use a proper filtered power supply with good filter capacitors.
• Take care not to short speaker wires else IC will get damaged.
• Make sure the power supply never exceeds 5.5V else IC will get damaged. Use a regulated power supply.