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Volume-Controlled 2-Channel Audio Amplifier (PAM8403)


Introducing our 2-Channel Audio Amplifier with Volume Control, the PAM8403. This class-D audio amplifier is a compact module delivering 2 channels of 3W each, ensuring high-quality sound reproduction with low Total Harmonic Distortion plus Noise (THD+N).


Technical Specifications:

– Module: PAM8403 Amplifier
– Dimensions: L 29.5mm x W 20.2mm x H 15mm (excluding Potentiometer rod size)
– Operating Voltage: 2.5V~5V DC (USB-powered capability)
– Integrated Chip: PAM8403
– Enhanced Power Filtering: 470uF
– Potentiometer Lifespan: Up to 15 years
– Potentiometer Features: Includes an on/off switch
– Noise Performance: Superior Low Noise
– Efficiency: Up to 90%
– Protection Features: Short Circuit Protection, Thermal Shutdown


– Ensure that the power supply does not exceed 5.5V, and exercise caution to avoid reverse polarity for “+” and “-“, as it may result in board damage.

Experience the compact yet powerful audio amplification capabilities of the PAM8403, offering reliability, longevity, and exceptional sound quality for your audio projects.


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