Hai Music lovers today in this article we are going to see this class-d pam8403 Amplifier Board

Nowadays many brands and people are using this class d, amplifier board.
Why because class d amplifier Boards are very compact and easy to use whereas we can get maximum Audio power output even if you give low power input. And this board can give you high-efficiency Audio with less loss.
Because of this board size, we can assemble an amplifier quickly with a smaller or smaller cabinet.

Protection Features

This board comes with many protection features.

For example ic protection and speaker protection.

• Low and high voltage protection
• Speaker terminal short Circuit protections
• Ic overheating protection
• Overload and over amps consume protection
  And many protection features are given in this ic board.

This board is available with stereo as well as Mono. 4 ohms Speakers are recommended for this class d amplifier board. If you are using an 8 ohms speaker then the power output will be very low. So you should use a 4 ohms speaker for this board. if you are using Bridged mono from This board then you can use a 2 ohms speaker.
For class d amplifiers 2 ohms to 4 ohms Speakers are recommended Based on the ic configuration.

Today we are going to see this class d amplifier board is a 5v single supply dc operated Stereo board.

This board is operated by pam8403 ic and this board can give you a maximum of 3watts audio power output per channel With a 5v dc single supply.
You can get 3watts audio power output per channel with a 4 ohms speaker. At the same time, you can get 1.8watts audio power output per channel with an 8 ohms speaker.

And also I will share with you this board ic datasheet here. You can understand the specification of the board once you read it.

These Boards are widely used in computer monitor inbuilt Speakers, and laptop stereo speakers.
Compact projectors, rechargeable MP3 players, and many portable speakers.

Now we are going to see this pam8403 amplifier board input and output connection details

All Connections are clearly mentioned on this board.
These board’s sizes will vary depending on the ic power output.

So that’s all friends If you have any questions About this board and connections you can ask me in the comment section below 👇.

Check out my another class-d amplifier board review

In our next article, we are going to see this pam8610 ic-based class d stereo amplifier board with connection details.

Bye Friends