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The PAM8403 module is a miniature digital 2x3w class D power amplifier board, which can also work on USB power supply. It is a great tool for DIY hobbyists looking to build a small amplifier.

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SKU: AMP01 Category: Tags: ,

The PAM8403 module is a miniature digital 2x3w class D power amplifier board, which can also work on USB power supply. It has good noise suppression when the input audio is via a sheilded wire. When working with a 5v power supply it can directly drive 4 Ω/8 Ω small speakers with big output power and good sound quality. This type of Class D Amplifier without LC Filter is Unique. It is achieved by double panel wiring. The super mini design is an added advantage since it can easily fit in a variety of digital products such as LCD TV Panels, Old speakers, portable mobile speakers etc.

The PAM8403 is a 3W, class-D audio amplifier. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB
area.
With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications.

If you are not satisfied with a 3W stereo amplifier for you project and want some more juice then you should definitely try out the PAM8610 module. It packs 15 Watts per channel and can drive 4 to 8 inch speakers.

Source: Diodes Incorporated

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