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PAM8403 Audio Amplifier 2 Channel x3W USB Power Module Board with Volume Control


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Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply
Battery power can also be used
High efficiency: 90%
Can provide 3W (left channel) + 3W (right channel) output power in the 4Ω load and 5V power supply conditions
A class, B class amplifier such efficiency is only about 30%
D class amplifier is highly respected today
D class amplifier efficiency is extremely high, not because of temperature affect the sound quality But do not add heat sink and take less space noise cancelling circuit was built in the amplifier board
Power on / off without pop noise
Module has a short-circuit current protection and over-temperature protection

135.00 215.00 ( inclu.GST)

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PAM8403 Audio Amplifier 2 Channel x3W USB Power Module Board with Volume Control

PAM8403 Audio Amplifier 2 Channel x3W USB Power Module Board with Volume Control is a small digital amplifier chip, high-definition sound quality highlights the advantages of digital chips, circuit using the most reasonable peripheral configuration, power supply filtering is upgraded to 470uf (some sellers are less did not even 100uf capacitance) 1.6mm glass sheet, the real amplifier board did the most detailed, high-fidelity sound output 3W + 3W, is a rare good product enthusiasts amplifier, Volume control using original anti-meter body, life expectancy up to 15 years, Volume control with switch can cut off the power supply directly counterclockwise.

Package Includes :

1 x PAM8403 Mini 5V Digital Amplifier Board.

SKU: S018 Category:

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